HIGH

CVE-2026-12802

Bouncycastle Bc Java 2026-08-03 CVSS v3.1

CVSS

7.5

Description

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

Weakness (CWE)

CWE-354

EPSS Score

0.15%

Probability of exploitation in next 30 days

4.3th percentile

References

https://github.com/bcgit/bc-java/commit/0fefa539e6ac5c66e1daee5a13b23d1d4769cc01 Patch https://github.com/bcgit/bc-java/wiki/CVE%E2%80%902026%E2%80%9012802 Third Party Advisory, Patch

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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