CVE-2026-100113 Adobe CVE debrief

Who should care

Defenders and security teams responsible for Adobe Content Credentials products should assess exposure and prioritize patching or mitigation efforts. They should verify affected versions of Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK in their environment, assess exposure based on their deployment context, and apply patches or mitigations as available from Adobe.

Why it matters

CVE-2026-100113 is a high-severity vulnerability in Adobe Content Credentials products that could allow security feature bypass and unauthorized write access. Defenders should verify affected versions, assess exposure, and prioritize patching or mitigation efforts.

• Potential security feature bypass allowing unauthorized write access.
• Requires verification of affected versions and exposure in environments.
• Necessitates monitoring for unauthorized access attempts.

Technical summary

The vulnerability is caused by improper input validation in Adobe's Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. This could allow an attacker to bypass security measures and gain unauthorized write access. Affected versions include Content Credentials Rust SDK versions up to c2pa-v0.90.15, C2PA Tool versions up to c2patool-v0.27.15, and Content Credentials JS SDK versions up to @contentauth/[email protected].

Defensive priority

Defenders should prioritize verifying affected versions and assessing exposure in their environments, then apply patches or mitigations as available.

Recommended defensive actions

• Verify affected versions of Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK in your environment.
• Assess exposure based on your deployment context.
• Apply patches or mitigations as available from Adobe.
• Monitor for unauthorized write access attempts.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Check relevant monitoring, detection, and logs for exposed assets that need extra review.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the vulnerability, affected products, and versions. However, limited information is available on potential exploits or impacts. The vulnerability is caused by improper input validation in Adobe's Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. This could allow an attacker to bypass security measures and gain unauthorized write access. Affected versions include Content Credentials Rust SDK versions up to c2pa-v0.90.15, C2PA Tool versions up to c2patool-v0.27.15,

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.