What’s Vulnerable › Vulnerabilities

CVE-2026-76189: CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-25 · updated 2026-09-01
• Weakness: CWE-191

Description

CAI Content Credentials is affected by an Integer Underflow (Wrap 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 does not require user interaction.

Affected products

• Adobe C2Pa: through 0.89.0
• Adobe C2Patool: through 0.26.70

References

• https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-110.html

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