CVE-2026-12802
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).
- Affected products
- Bouncy Castle For Java, Bcpkix Fips
- Fix
- Available
- CVSS 4.0
- 8.7 HIGH
- EPSS
- 0.2% (7th percentile)
- Weakness
- CWE-354
- NVD status
- Undergoing Analysis
- Published
- 2026-08-03
CVE-2026-12802 at NVD
No indexed exploits for CVE-2026-12802 yet
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No exploit for CVE-2026-12802 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.