CVE-2026-5588
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
PKIX draft CompositeVerifier accepts empty signature sequence as valid.
Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of the Bouncy Castle Inc. BC-JAVA bcpkix on all (pkix modules), Legion of the Bouncy Castle Inc. BCPKIX-FIPS bcpkix on All (pkix modules), Legion of the Bouncy Castle Inc. BCPIX-LTS bcpkix on All (pkix modules). This vulnerability is associated with program files JcaContentVerifierProviderBuilder.Java, JcaContentVerfierProviderBuilder.Java. This issue affects BC-JAVA: from 1.67 before 1.80.2, from 1.81 before 1.81.1, from 1.82 before 1.84; BCPKIX-FIPS: from 2.0.6 before 2.0.11, from 2.1.7 before 2.1.11; BCPIX-LTS: from 2.73.7 before 2.73.11.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
BC-JAVA
- Vendor
- Legion of the Bouncy Castle Inc.
- Product
- BC-JAVA
- Platforms
- all
- Default status
unaffected- Package
- bcpkix
- Package collection
- https://www.bouncycastle.org/download/bouncy-castle-java/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 1.67 | affected | maven | 1.80.2 | Unavailable | None listed |
| 1.81 | affected | maven | 1.81.1 | Unavailable | None listed |
| 1.82 | affected | maven | 1.84 | Unavailable | None listed |
BCPKIX-FIPS
- Vendor
- Legion of the Bouncy Castle Inc.
- Product
- BCPKIX-FIPS
- Platforms
- All
- Default status
unaffected- Package
- bcpkix
- Package collection
- https://www.bouncycastle.org/download/bouncy-castle-java-fips/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.0.6 | affected | maven | 2.0.11 | Unavailable | None listed |
| 2.1.7 | affected | maven | 2.1.11 | Unavailable | None listed |
BCPIX-LTS
- Vendor
- Legion of the Bouncy Castle Inc.
- Product
- BCPIX-LTS
- Platforms
- All
- Default status
unaffected- Package
- bcpkix
- Package collection
- https://www.bouncycastle.org/download/bouncy-castle-java-lts/
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 2.73.7 | affected | maven | 2.73.11 | Unavailable | None listed |