CVE-2026-100123 Adobe CVE debrief

Who should care

Defenders responsible for Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK deployments should assess exposure and prioritize remediation based on affected versions and vendor guidance. This includes reviewing inventory, verifying affected versions, and upgrading to fixed versions. Security teams and vulnerability management teams should also review the vulnerability and plan for remediation.

Why it matters

Defenders should prioritize verification of affected versions and upgrading to fixed versions to prevent potential security feature bypass and unauthorized access.

• Security feature bypass, allowing unauthorized write access
• Potential for attackers to bypass security measures

Technical summary

The CAI Content Credentials is affected by an Improper Certificate Validation vulnerability (CWE-295) that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. The vulnerability affects Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. Defenders should prioritize verification of affected versions and upgrading to fixed versions to prevent potential security feature bypass and unauthorized access.

Defensive priority

Defenders should prioritize verification of affected versions and upgrading to fixed versions.

Recommended defensive actions

• Verify affected versions of Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK
• Upgrade to fixed versions: Content Credentials Rust SDK to c2pa-v0.91.1 or later, C2PA Tool to v0.28.1 or later, and Content Credentials JS SDK to @contentauth/[email protected] or later
• Review and update inventory of affected products
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• 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, but limited information is available on exploitation or impact. Defenders should verify affected versions and review vendor advisories for additional information. The CVE Program record and NIST NVD detail page offer further context. However, specific details on exploitation or real-world impact are not publicly available.

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.