CVE-2026-11856
ADVISORY - nistSummary
Successfully using libcurl to do a transfer to a specific HTTP origin
(hostA) with Digest authentication and then changing the origin to a
different one (hostB) for a second transfer, reusing the same handle, makes
libcurl wrongly pass on the Authorization: header field meant for hostA,
to hostB.
EPSS Score: 0.00604 (0.461)
Common Weakness Enumeration (CWE)
ADVISORY - nist
Authentication Bypass by Capture-replay
Alpine
CREATED
UPDATED
ADVISORY IDCVE-2026-11856
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
| Package | Type | OS Name | OS Version | Affected Ranges | Fix Versions |
|---|---|---|---|---|---|
| alpine/curl | apk | alpine | 3.23 | <=8.19.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.36.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.50.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.50.2-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.50.3-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.51.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.52.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.53.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.53.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.54.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.55.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.56.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.57.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.59.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.60.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.61.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.61.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.62.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.64.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.65.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.66.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.71.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.72.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.74.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.76.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.77.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.78.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.79.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.83.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.83.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.84.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.85.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.86.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.87.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=7.88.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.0.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.1.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.10.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.11.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.11.0-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.11.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.11.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.12.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.12.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.14.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.14.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.14.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.3.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.4.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.5.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.6.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.7.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.9.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.20 | <=8.9.1-r0 | Not yet available |
| alpine/curl | apk | alpine | edge | <8.21.0-r0 | 8.21.0-r0 |
| alpine/curl | apk | alpine | 3.21 | <=7.36.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.50.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.50.2-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.50.3-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.51.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.52.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.53.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.53.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.54.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.55.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.56.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.57.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.59.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.60.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.61.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.61.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.62.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.64.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.65.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.66.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.71.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.72.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.74.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.76.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.77.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.78.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.79.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.83.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.83.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.84.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.85.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.86.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.87.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=7.88.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.0.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.1.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.10.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.11.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.11.0-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.11.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.11.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.12.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.12.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.12.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.14.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.14.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.14.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.3.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.4.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.5.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.6.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.7.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.9.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.21 | <=8.9.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.23 | <=8.17.0-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.23 | <=8.20.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.36.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.50.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.50.2-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.50.3-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.51.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.52.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.53.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.53.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.54.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.55.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.56.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.57.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.59.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.60.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.61.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.61.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.62.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.64.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.65.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.66.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.71.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.72.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.74.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.76.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.77.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.78.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.79.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.83.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.83.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.84.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.85.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.86.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.87.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=7.88.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.0.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.1.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.10.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.11.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.11.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.11.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.12.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.12.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.14.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.14.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.14.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.3.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.4.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.5.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.6.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.7.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.9.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.9.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.19 | <=8.9.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.36.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.50.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.50.2-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.50.3-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.51.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.52.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.53.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.53.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.54.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.55.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.56.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.57.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.59.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.60.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.61.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.61.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.62.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.64.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.65.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.66.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.71.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.72.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.74.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.76.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.77.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.78.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.79.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.83.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.83.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.84.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.85.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.86.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.87.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=7.88.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.0.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.1.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.10.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.11.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.11.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.12.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r1 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r2 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.14.1-r3 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.3.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.4.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.5.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.6.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.7.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.9.0-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.22 | <=8.9.1-r0 | Not yet available |
| alpine/curl | apk | alpine | 3.24 | <8.21.0-r0 | 8.21.0-r0 |
Severity and metrics
No CVSS data available from this advisory.
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-11856
EXPLOITABILITY SCORE
3.9
EXPLOITS FOUND
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
9.8criticalDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-11856
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Ubuntu
CREATED
UPDATED
ADVISORY IDCVE-2026-11856
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AmediumChainguard
CREATED
UPDATED
ADVISORY ID
CGA-wpf4-8wq3-rgjf
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Photon
CREATED
UPDATED
ADVISORY ID
CVE-2026-11856
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
9.8criticalminimos
CREATED
UPDATED
ADVISORY ID
MINI-mhj4-jp68-cpm2
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
minimos
CREATED
UPDATED
ADVISORY ID
MINI-pmx3-xcpx-8ggp
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-