PatchSiren cyber security CVE debrief

CVE-2026-47903 Adobe CVE debrief

CVE-2026-47903 is an Improper Input Validation vulnerability in CAI Content Credentials versions [email protected], c2pa-v0.80.1 and earlier. This vulnerability allows an attacker to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 6.2, with a severity rating of MEDIUM.

Vendor: Adobe
Product: CAI Content Credentials
CVSS: MEDIUM 6.2
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-10
Advisory published: 2026-06-09
Advisory updated: 2026-06-10

Who should care

Users of CAI Content Credentials versions [email protected], c2pa-v0.80.1 and earlier should apply patches or updates to mitigate this vulnerability.

Technical summary

The vulnerability is caused by improper input validation in CAI Content Credentials. An attacker can exploit this vulnerability to crash the application, leading to a denial-of-service condition.

Defensive priority

MEDIUM

Recommended defensive actions

Apply patches or updates for CAI Content Credentials versions [email protected], c2pa-v0.80.1 and earlier.
Refer to [ref-4](https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-61.html) for more information.

Evidence notes

The vendor for this vulnerability is listed as Unknown Vendor, but evidence suggests the vendor may be Adobe.

Official resources

CVE-2026-47903 was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-47903) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2026-47903).