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CVE-2026-59643

In Bouncy Castle for Java before 1.85, OpenPGP inline-signature policy failures silently ignored. This issue also affects Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 2.0.13.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:eec9b9d9bc0712cfa6ec8793203eebaaf312c2dda55d6837a5e25dd8854d0a11
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/","defaultStatus":"unaffected","packageName":"bcpg-fips","packageURL":"pkg:maven/org.bouncycastle/bcpg-fips","platforms":["all"],"product":"BC-FJA","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"2.0.13","status":"affected","version":"2.0.12","versionType":"maven"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/affected/1

{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java/","defaultStatus":"unaffected","modules":["pg"],"packageName":"bcpg","packageURL":"pkg:maven/org.bouncycastle/bcpg-jdk18on","platforms":["all"],"product":"BC-JAVA","programFiles":["OpenPGPMessageInputStream"],"repo":"https://github.com/bcgit/bc-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.85","status":"affected","version":"1.81","versionType":"maven"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java-fips/","defaultStatus":"unaffected","packageName":"bcpg-fips","packageURL":"pkg:maven/org.bouncycastle/bcpg-fips","platforms":["all"],"product":"BC-FJA","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"2.0.13","status":"affected","version":"2.0.12","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/affected/1
{"collectionURL":"https://www.bouncycastle.org/download/bouncy-castle-java/","defaultStatus":"unaffected","modules":["pg"],"packageName":"bcpg","packageURL":"pkg:maven/org.bouncycastle/bcpg-jdk18on","platforms":["all"],"product":"BC-JAVA","programFiles":["OpenPGPMessageInputStream"],"repo":"https://github.com/bcgit/bc-java","vendor":"Legion of the Bouncy Castle Inc.","versions":[{"lessThan":"1.85","status":"affected","version":"1.81","versionType":"maven"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"AMBER","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["patch"],"url":"https://github.com/bcgit/bc-java/commit/d3f8cc408b4a36d28e5a410c93436fe3d0fe726b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/references/1
{"tags":["vendor-advisory"],"url":"https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9059643"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a76344474d01d2d99b8936714e00bc4ad92b790b98483764f5d2386188bb3c8e · sha256:5e02c26f4507271d… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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