CVE-2026-12802

The record

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 packages

Related vulnerabilities

• CVE-2026-35501 When NLnet Labs Unbound 1.0.1 up to and including version 1.26.1 is configured with both… CWE-354
• CVE-2026-85747 Distribution is a toolkit to pack, ship, store, and deliver container content. CWE-354
• CVE-2026-20354 Multiple vulnerabilities in the Secure/Multipurpose Internet Mail Extensions (S/MIME)… CWE-354
• CVE-2026-82549 A vulnerability was identified in Linux Foundation Magma 1.9.0. CWE-354
• CVE-2025-61480 An issue in Vanderbilt Industries, Acre Security SPC5300.000 Main Board v.3.14.1 allows a… CWE-354
• CVE-2026-75803 Issue summary: ChaCha20-Poly1305 and AES-OCB decryption with an empty ciphertext can… CWE-354
• CVE-2026-12816 In Bouncy Castle for Java before 1.85, IESEngine stream-mode MAC forgery via… CWE-354
• CVE-2026-12817 In Bouncy Castle for Java before 1.85, OpenPGP AEAD decryption skips final tag on… CWE-354