Vulnerability · Published Sep 22, 2026 · Assigned by adobe
CVE-2026-89277CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)
Medium 5.5
In plain English
A medium-severity integer overflow in Content Credentials Command-Line Tool from Adobe. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Official description
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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Adobe | Content Credentials Rust SDK | 0 – through c2pa-v0.89.2 |
| Adobe | Content Credentials Command-Line Tool | 0 – through c2patool-v0.26.70 |
Weakness: CWE-190 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H