Is CVE-2026-100138 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-100138 being exploited in the wild.

How severe is CVE-2026-100138?

High severity, with a CVSS score of 7.5, 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-v0.90.15 and earlier.

Is there a fix for CVE-2026-100138?

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-2026-100138 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-100138?

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.

CVE-2026-100138: Adobe Content Credentials uncontrolled resource consumption

CVE-2026-100138 · Severity: high · CVSS 7.5 · Published 2026-10-13

Adobe Content Credentials SDK is a set of tools for verifying the authenticity and integrity of digital content. An attacker can send specially crafted requests to exhaust system resources, causing the application to become unavailable. This affects multiple versions of the Rust SDK, C2PA Tool, and JavaScript SDK without requiring user interaction or authentication.

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

Quick answers

Is CVE-2026-100138 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-100138 being exploited in the wild.
How severe is CVE-2026-100138?: High severity, with a CVSS score of 7.5, 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-v0.90.15 and earlier.
Is there a fix for CVE-2026-100138?: 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-2026-100138 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-100138?: 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

Multiple uncontrolled resource consumption vulnerabilities (CWE-400) in Adobe Content Credentials components allow remote attackers to trigger denial-of-service via network-based attacks without authentication. The vulnerabilities span the Content Credentials Rust SDK (c2pa), C2PA Tool, and JavaScript SDK (@contentauth/c2pa-web), with patches available in c2pa-v0.91.1, c2patool-v0.28.1, and @contentauth/c2pa-web@0.15.3 respectively.

Affected products

Adobe Content Credentials Rust SDK 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: advisory

References

https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html

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