Improper Certificate Validation in CAI Content Credentials by Adobe
CVE-2026-100121

7.5HIGH

Key Information:

Vendor

Adobe
Status
Content Credentials Rust Sdk
C2pa Tool
Content Credentials Js Sdk
Vendor
CVE Published:
13 October 2026

What is CVE-2026-100121?

CAI Content Credentials from Adobe exhibits an Improper Certificate Validation vulnerability that enables attackers to circumvent existing security features. This flaw allows unauthorized write access by exploiting the validation process without requiring any user interaction. Addressing this vulnerability is crucial for maintaining the integrity and security of applications that utilize CAI Content Credentials.

Affected Version(s)

C2PA Tool 0

Content Credentials JS SDK 0

Content Credentials Rust SDK 0

References

https://www.adobe.com/trust/security/products/content-cre...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.