CVE-2026-118768
MEDIUM
MEDIUM
Priority: 0.00
BB Relevance:
47/100
Published: 2026-10-29
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Adjacent
Low Complexity
No Auth
Integ. Impact
CVSS Vector Breakdown
AV:
Adjacent
AC:
Low
PR:
None
UI:
Passive
S:
X
AT:
Present
VC:
None
VI:
High
VA:
None
Description
Botan is a C++ cryptography library. From 1.11.34 until 3.13.0, the botan ocsp_check command requested an OCSP response from a certificate's Authority Information Access URL without verifying the response signature or authorizing the signer. A malicious responder or on-path attacker could return a matching and timely GOOD response with an empty, invalid, or unauthorized signature, causing a revoked certificate to produce exit status 0 and OCSP check OK output. Only the command-line interface is affected. This issue is fixed in version 3.13.0.
Weakness Classification (1)
References & Advisories (3)
x_refsource_MISC
x_refsource_MISC
x_refsource_CONFIRM