CVE-2026-5588

ADVISORY - github

Summary

: Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules).

PKIX draft CompositeVerifier accepts empty signature sequence as valid.

This issue affects BC-JAVA: from 1.49 before 1.84.

EPSS Score⁠: 0.00012 (0.017)

Common Weakness Enumeration (CWE)

ADVISORY - nist

CWE-327⁠

Use of a Broken or Risky Cryptographic Algorithm

ADVISORY - github

CWE-327⁠

Use of a Broken or Risky Cryptographic Algorithm

Impacted images

Advisories

NIST

CREATED

22 days ago

UPDATED

15 days ago

ADVISORY IDCVE-2026-5588⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-327⁠

CVSS SCORE

6.3medium

GitHub

CREATED

21 days ago

UPDATED

20 days ago

ADVISORY IDGHSA-wg6q-6289-32hp⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-327⁠

CVSS SCORE

6.3medium

Debian

CREATED

20 days ago

UPDATED

8 days ago

ADVISORY IDCVE-2026-5588⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

Ubuntu

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY IDCVE-2026-5588⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

CVSS SCORE

N/Amedium

Chainguard

CREATED

5 hours ago

UPDATED

5 hours ago

ADVISORY ID

CGA-x825-vhrp-px34

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-2fmj-85mm-77mq

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-2jc4-mwcr-prh6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-2jc6-3x25-2f5c

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-2q2v-fp73-fwv7

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-2xhp-w4p8-4wq8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-3xx8-r66r-3cwq

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-488x-8pwv-c9gj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-4ghv-fc7w-9fx8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-4pmp-c3pc-wf79

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY ID

MINI-4r5w-v57c-w266

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-4x74-h5p8-qj69

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

15 days ago

UPDATED

15 days ago

ADVISORY ID

MINI-5cgm-g2qq-3fwv

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

7 days ago

UPDATED

7 days ago

ADVISORY ID

MINI-6455-vphm-qq9q

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-69cj-9r49-274f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-8rr4-9wwg-ww92

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-92rc-77wq-8jxv

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-968w-c5rh-crfc

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-9758-72cf-mg3c

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-9qfp-5rhj-5fcj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-9r42-3843-wmw6

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-9w79-rh32-rp4q

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-c8p8-j6fj-vr54

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-cjc2-5qc4-8m7f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-cpc5-cc5h-w827

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-ffc4-pfv9-57rp

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-gg7q-g42p-4rxf

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-hqv9-cvwj-m9h3

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-mv37-xqxp-8wgj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-p5f6-p37p-c273

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-p7w5-35pc-89p9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-pfrv-5h4x-v776

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-pj3v-pv8q-8chm

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-pwr9-8w5f-h2mg

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-qqpg-jgr3-c857

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-r39c-vvvr-7pqw

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

2 days ago

UPDATED

2 days ago

ADVISORY ID

MINI-r86j-72hj-jv2m

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-vhvg-fp62-rwh4

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-wwf3-x2r5-4pmw

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-x47p-x99x-823f

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

8 days ago

UPDATED

8 days ago

ADVISORY ID

MINI-x72r-p78w-j6c5

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-xjcw-3mwc-27c9

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

9 days ago

UPDATED

9 days ago

ADVISORY ID

MINI-xqwr-v5rg-phrw

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

19 days ago

UPDATED

19 days ago

ADVISORY ID

MINI-xrr7-68xc-w3jc

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY