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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
2026-08-28
Advisory published
2026-06-09
Advisory updated
2026-08-28

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-47903 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-47903

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-47903 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-47903

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.