7.5highHigh
CVE-2026-59642
Bouncycastle Bc-Java
In Bouncy Castle for Java before 1.85, CMS AuthenticatedData content not bound to MAC when authAttrs present. 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).
Exploitation status
- A vendor advisory or patch reference has been published.
What the metrics mean
- It is reachable over a network, without needing local access.
- For an attacker who can reach it, no special conditions are needed to exploit it.
- To exploit it, no account is needed.
- Beyond that, no action by a user is required.
Scoring
- CVSS
- 7.5 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- CVSS v4
- 8.7
- Weakness
- CWE-354
- Assigned by
- 91579145-5d7b-4cc5-b925-a0262ff19630
Dates
- Published
- 2026-08-03
- Last modified
- 2026-08-28
- Sources
- NVD
Affected products
- Bouncycastle Bc-Java- 1.85
- Bouncycastle Bcpkix-Fips- 1.0.12, 2.0.7 - 2.0.12, 2.1.8 - 2.1.12
- Bouncycastle Bouncy Castle For Java Lts- 2.73.11
As listed in the NVD configuration data. Not a statement about your estate.