CVE-2026-5588 (GCVE-0-2026-5588)
Vulnerability from cvelistv5
Published
2026-04-15 09:06
Modified
2026-04-15 19:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
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.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Legion of the Bouncy Castle Inc. | BC-JAVA |
Version: 1.67 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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