CVE-2026-58062criticalCWE-295

CVE-2026-58062: critical vulnerability in Legion of the Bouncy Castle Inc. BC-FJA

Stapled OCSP response accepted without binding to the checked certificate

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

48Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 9.3epss 0.4%
from disclosure to weapon2 days
Published on NVDAug 3
1st PoC+2d
In Bouncy Castle for Java before 1.85, Stapled OCSP response accepted without binding to the checked certificate. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bc-fips 2.0.2 (2.0.X series) and 2.1.3 (2.1.X series).
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.