CVE-2026-123261 CAI Content Credentials | Improper Verification of Cryptographic Signature (CWE-347)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-123261?
CVE-2026-123261 is a medium-severity vulnerability in Adobe C2PA Tool, published on 10 Nov 2026.
Official description
CAI Content Credentials is affected by an Improper Verification of Cryptographic Signature vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
Weakness: CWE-347
Which versions are affected by CVE-2026-123261?
How do I fix CVE-2026-123261?
No fix has been published for CVE-2026-123261 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-123261 being exploited?
There is no known exploitation of CVE-2026-123261 in the wild and no public exploit code.
Sources
Also known as GHSA-mcm7-3wgv-7h4c.