Adobe CAI Content Credentials path traversal

Summaryinfo

A vulnerability classified as critical has been found in Adobe CAI Content Credentials. Impacted is an unknown function. Performing a manipulation results in path traversal. This vulnerability is cataloged as CVE-2026-34657. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Adobe CAI Content Credentials (version now known). This affects some unknown processing. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on integrity, and availability. The summary by CVE is:

CAI Content Credentials versions [email protected], c2pa-v0.80.1 and earlier are affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could result in an arbitrary file system write. An attacker could leverage this vulnerability to write to unauthorized files or directories outside of intended restrictions. Exploitation of this issue requires user interaction in that a victim must extract a maliciously crafted file.

The advisory is shared at helpx.adobe.com. This vulnerability is uniquely identified as CVE-2026-34657 since 03/30/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/10/2026). MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Adobe

Name

• CAI Content Credentials

License

• commercial

Website

• Vendor: https://www.adobe.com/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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