CVE-2026-89277: Adobe Content Credentials Command-Line Tool

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.

Affected products

• Adobe Content Credentials Command-Line Tool: up to and including c2patool-v0.26.70
• Adobe Content Credentials Rust SDK: up to and including c2pa-v0.89.2

Published 2026-09-22. Last modified 2026-09-23.