CVE-2026-3644

ADVISORY - nist

Summary

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().

EPSS Score⁠: 0.00419 (0.338)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-116⁠

Improper Encoding or Escaping of Output

CWE-20⁠

Improper Input Validation

ADVISORY - redhat

CWE-791⁠

Incomplete Filtering of Special Elements

Impacted images

Advisories

Docker

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY ID

CVE-2026-3644

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Package	Type	OS Name	OS Version	Affected Ranges	Fix Versions
python	dhi	-	-	<3.13.13	3.13.13
alpine/python-3.10	apk	alpine	3.23	<3.13.13	3.13.13
alpine/python-3.10	apk	alpine	3.23	>=3.14.0-alpha1,<3.14.4	3.14.4
alpine/python-3.10	apk	alpine	3.23	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
alpine/python-3.11	apk	alpine	3.23	<3.13.13	3.13.13
alpine/python-3.11	apk	alpine	3.23	>=3.14.0-alpha1,<3.14.4	3.14.4
alpine/python-3.11	apk	alpine	3.23	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
alpine/python-3.12	apk	alpine	3.23	<3.13.13	3.13.13
alpine/python-3.12	apk	alpine	3.23	>=3.14.0-alpha1,<3.14.4	3.14.4
alpine/python-3.12	apk	alpine	3.23	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
alpine/python-3.13	apk	alpine	3.23	<3.13.13	3.13.13
alpine/python-3.13	apk	alpine	3.23	>=3.14.0-alpha1,<3.14.4	3.14.4
alpine/python-3.13	apk	alpine	3.23	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
alpine/python-3.14	apk	alpine	3.23	<3.13.13	3.13.13
alpine/python-3.14	apk	alpine	3.23	>=3.14.0-alpha1,<3.14.4	3.14.4
alpine/python-3.14	apk	alpine	3.23	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
debian/python-3.10	deb	debian	13	<3.13.13	3.13.13
debian/python-3.10	deb	debian	13	>=3.14.0-alpha1,<3.14.4	3.14.4
debian/python-3.10	deb	debian	13	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
debian/python-3.11	deb	debian	13	<3.13.13	3.13.13
debian/python-3.11	deb	debian	13	>=3.14.0-alpha1,<3.14.4	3.14.4
debian/python-3.11	deb	debian	13	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
debian/python-3.12	deb	debian	13	<3.13.13	3.13.13
debian/python-3.12	deb	debian	13	>=3.14.0-alpha1,<3.14.4	3.14.4
debian/python-3.12	deb	debian	13	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
debian/python-3.13	deb	debian	13	<3.13.13	3.13.13
debian/python-3.13	deb	debian	13	>=3.14.0-alpha1,<3.14.4	3.14.4
debian/python-3.13	deb	debian	13	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
debian/python-3.14	deb	debian	13	<3.13.13	3.13.13
debian/python-3.14	deb	debian	13	>=3.14.0-alpha1,<3.14.4	3.14.4
debian/python-3.14	deb	debian	13	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8
python	dhi	-	-	>=3.14.0-alpha1,<3.14.4	3.14.4
python	dhi	-	-	>=3.15.0-alpha1,<3.15.0-alpha8	3.15.0-alpha8

Severity and metrics

No CVSS data available from this advisory.

NIST

CREATED

4 months ago

UPDATED

1 month ago

ADVISORY IDCVE-2026-3644⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-116⁠CWE-20⁠

CVSS SCORE

6medium

Alpine

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDCVE-2026-3644⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Debian

CREATED

4 months ago

UPDATED

25 days ago

ADVISORY IDCVE-2026-3644⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

4 months ago

UPDATED

4 days ago

ADVISORY IDCVE-2026-3644⁠

EXPLOITABILITY SCORE

3.9

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5medium

Alma

CREATED

3 months ago

UPDATED

2 months ago

ADVISORY IDALSA-2026:10950⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALSA-2026:19176⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Alma

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALSA-2026:19177⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDALAS2-2026-3217⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDALAS2-2026-3218⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1600⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1617⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1618⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1619⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Amazon

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDALAS2023-2026-1620⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Bitnami

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY ID

BIT-libpython-2026-3644

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

6medium

Bitnami

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY ID

BIT-python-2026-3644

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

6medium

Bitnami

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY ID

BIT-python-min-2026-3644

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

6medium

Red Hat

CREATED

4 months ago

UPDATED

4 months ago

ADVISORY IDCVE-2026-3644⁠

EXPLOITABILITY SCORE

2.8

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-791⁠

CVSS SCORE

5.4medium

Rocky

CREATED

2 months ago

UPDATED

2 months ago

ADVISORY IDRLSA-2026:10950⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDRLSA-2026:19019⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDRLSA-2026:19064⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDRLSA-2026:19176⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Rocky

CREATED

1 month ago

UPDATED

1 month ago

ADVISORY IDRLSA-2026:19177⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY IDELSA-2026-10950⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

29 days ago

UPDATED

29 days ago

ADVISORY IDELSA-2026-19176⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Oracle

CREATED

29 days ago

UPDATED

29 days ago

ADVISORY IDELSA-2026-19177⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Ahigh

Chainguard

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

CGA-x3jx-7xjp-vpm8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Photon

CREATED

2 months ago

UPDATED

1 month ago

ADVISORY ID

CVE-2026-3644

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

7.5high

minimos

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

MINI-f36w-g3gx-qm83

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

MINI-g56q-jvcw-gqw6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

MINI-v4jw-865m-9wr6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

MINI-x38x-p8r4-rhf5

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 months ago

UPDATED

3 months ago

ADVISORY ID

MINI-xwh9-pj6q-58x2

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY