CVE-2026-100116: Adobe Content Credentials SDK multiple security feature bypass vulnerabilities

CVE-2026-100116 · Severity: medium · CVSS 5.9 · Published 2026-10-13

Adobe Content Credentials SDK, a toolkit for verifying media authenticity and integrity, contains multiple vulnerabilities that could allow attackers to forge credentials, bypass signature validation, and perform unauthorized modifications. These flaws affect the Rust SDK, JavaScript SDK, and C2PA Tool, with no known exploitation in the wild. Organizations using these libraries should upgrade immediately to patch the 16+ security issues.

Technologies: Adobe C2pa, Adobe C2PA Tool, Adobe C2pa-Web, Adobe C2patool, Adobe Content Credentials JS SDK, Adobe Content Credentials Rust SDK (c2pa). Vendors: Adobe.

Quick answers

Is CVE-2026-100116 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-100116 being exploited in the wild.
How severe is CVE-2026-100116?
Medium severity, with a CVSS score of 5.9, published 13 October 2026.
Which products and versions are affected?
Adobe C2PA Tool c2patool-v0.27.15 and earlier; Adobe Content Credentials JS SDK @contentauth/c2pa-web@0.13.4 and earlier; Adobe Content Credentials Rust SDK (c2pa) c2pa-v0.90.15 and earlier.
Is there a fix for CVE-2026-100116?
Yes: fixed in Content Credentials Rust SDK c2pa-v0.91.1, C2PA Tool c2patool-v0.28.1, Content Credentials JS SDK @contentauth/c2pa-web@0.15.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-100116 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-100116?
Check whether you run Adobe C2pa, Adobe C2PA Tool, Adobe C2pa-Web or one of the others listed at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: Content Credentials Rust SDK c2pa-v0.91.1, C2PA Tool c2patool-v0.28.1, Content Credentials JS SDK @contentauth/c2pa-web@0.15.3

Technical details

The advisory addresses 16 vulnerabilities including improper certificate validation, input validation bypasses, signature verification flaws, SSRF, and denial-of-service conditions across the Content Credentials ecosystem. Attack vectors are primarily network-based with no authentication or user interaction required. Successful exploitation allows attackers to bypass cryptographic and access controls, potentially enabling unauthorized write access to protected content and resource exhaustion.

Affected products

  • Adobe Content Credentials Rust SDK (c2pa) c2pa-v0.90.15 and earlier
  • Adobe C2PA Tool c2patool-v0.27.15 and earlier
  • Adobe Content Credentials JS SDK @contentauth/c2pa-web@0.13.4 and earlier

Timeline

  • 2026-10-13: disclosed: Adobe APSB26-163 security bulletin published

References

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