CVE-2026-48378: Adobe c2pa

Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.

CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction.

Affected products

• Adobe c2pa: before 0.91.1 (fixed in 0.91.1)
• Adobe c2pa-Web: before 0.15.3 (fixed in 0.15.3)
• Adobe c2patool: before 0.28.1 (fixed in 0.28.1)

Published 2026-10-13. Last modified 2026-10-15.