PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-48377 Adobe CVE debrief

CVE-2026-48377 Improper Input Validation vulnerability in CAI Content Credentials could result in security feature bypass, allowing unauthorized limited write access. Affected products include Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. Vendor advisory available. The vulnerability is caused by improper input validation, which could allow an attacker to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction.

Vendor
Adobe
Product
Content Credentials Rust SDK
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-14
Advisory published
2026-10-13
Advisory updated
2026-10-14

Who should care

Defenders of systems using Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK should assess exposure and verify versions for patching. Defenders should also review compensating controls for exposed systems while remediation is scheduled and verified. Additionally, defenders should check relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

CVE-2026-48377 Improper Input Validation in CAI Content Credentials could allow security feature bypass and unauthorized limited write access. Defenders should assess exposure, verify versions, and apply patches.

  • Assess exposure of affected products
  • Verify and apply patches for vulnerable versions
  • Monitor for unauthorized access attempts

Technical summary

The CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized limited write access. Exploitation of this issue does not require user interaction. The vulnerability is caused by improper input validation, which could allow an attacker to bypass security measures and gain unauthorized limited write access. Affected products include Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK.

Defensive priority

Assess exposure of Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK; verify versions and apply patches; monitor for unauthorized access attempts.

Recommended defensive actions

  • Assess exposure of Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK
  • Verify versions and apply patches
  • Monitor for unauthorized 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

CVE Program record and NVD vulnerability detail provide official assessment. Vendor advisory from Adobe offers patch information. The CVE record was published on 2026-10-13T21:27:21.555Z and has not been modified since then. The official CVE Program record and NVD vulnerability detail provide a comprehensive assessment of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48377 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48377

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

  • CVE-2026-48377 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48377

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

Supplemental references

  • CAI Content Credentials | Improper Input Validation (CWE-20)

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/48xxx/CVE-2026-48377.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.adobe.com/trust/security/products/content-credentials-sdk/apsb26-163.html

    Supplemental source - vendor-advisory

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.