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TI-2026-73731 Aliases CVE-2026-48378GHSA-v888-53v5-qvgj

Improper input validation in Adobe CAI Content Credentials

Priority LOW 30CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Adobe CAI Content Credentials components are affected: the Content Credentials Rust SDK from 0 through c2pa-v0.90.15, C2PA Tool from 0 through c2patool-v0.27.15, and the Content Credentials JS SDK from 0 through @contentauth/[email protected]. Improper input validation (CWE-20) lets an attacker bypass a security feature and gain unauthorized limited write access. A remote, unauthenticated attacker can do this without any user interaction.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00326 25th percentileScored 2026-11-07
Fix Fixed Content Credentials Rust SDK (Adobe): c2pa-v0.91.1C2PA Tool (Adobe): v0.28.1+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AdobeContent Credentials Rust SDKup to c2pa-v0.90.15c2pa-v0.91.1Patch availableCNA
AdobeC2PA Toolup to c2patool-v0.27.15v0.28.1Patch availableCNA
AdobeContent Credentials JS SDKup to @contentauth/[email protected]@contentauth/[email protected]Patch availableCNA
  • Content Credentials Rust SDK VendorAdobe Affected up to c2pa-v0.90.15 Fixed in c2pa-v0.91.1 Patch available CNA
  • C2PA Tool VendorAdobe Affected up to c2patool-v0.27.15 Fixed in v0.28.1 Patch available CNA
  • Content Credentials JS SDK VendorAdobe Affected up to @contentauth/[email protected] Fixed in @contentauth/[email protected] Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:adobe:c2pa:*:*:*:*:*:rust:*:*before 0.91.1VulnerableAdobe
cpe:2.3:a:adobe:c2pa-web:*:*:*:*:*:node.js:*:*before 0.15.3VulnerableAdobe
cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:*before 0.28.1VulnerableAdobe
  • cpe:2.3:a:adobe:c2pa:*:*:*:*:*:rust:*:* Versions before 0.91.1 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:c2pa-web:*:*:*:*:*:node.js:*:* Versions before 0.15.3 Vulnerable ·Adobe
  • cpe:2.3:a:adobe:c2patool:*:*:*:*:*:*:*:* Versions before 0.28.1 Vulnerable ·Adobe

Remediation

Update the Content Credentials Rust SDK to c2pa-v0.91.1, C2PA Tool to v0.28.1, and the Content Credentials JS SDK to @contentauth/[email protected].

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Content Credentials Rust SDK (Adobe) Fixed in c2pa-v0.91.1
  • Fix · CNA C2PA Tool (Adobe) Fixed in v0.28.1
  • Fix · CNA Content Credentials JS SDK (Adobe) Fixed in @contentauth/[email protected]

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Adobe C2PA Tool, Content Credentials JS SDK, Content Credentials Rust SDK — adobe.com/trust/security/products/content-credentials-sdk/a…

    32 records Highest priority Priority MEDIUM 11 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2026-73741 Server-side request forgery in Adobe CAI Content CredentialsPriority MEDIUM 46
    • TI-2026-73692 Uncontrolled resource consumption in Adobe CAI Content CredentialsPriority MEDIUM 40
    • TI-2026-73691 Uncontrolled resource consumption in Adobe CAI Content CredentialsPriority MEDIUM 40
    Show all 32 records → Advisory →

Timeline

  1. 2026-10-13 Threatist record created from CVE-2026-48378
  2. 2026-10-14 Alias added: GHSA-v888-53v5-qvgj
  3. 2026-10-16 CISA SSVC decision points changed

References

Advisory 1

  • TI-2026-73741 Server-side request forgery in Adobe CAI Content Credentials CVSS 3.1HIGH 8.6
  • TI-2026-52923 CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400) CVSS 3.1HIGH 7.5
  • TI-2026-50063 CAI Content Credentials | Improper Input Validation (CWE-20) CVSS 3.1HIGH 7.5
  • TI-2026-50062 CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191) CVSS 3.1HIGH 7.5
  • TI-2026-50009 CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400) CVSS 3.1HIGH 7.5
  • TI-2026-35833 CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400) CVSS 3.1HIGH 7.5
See all 93 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences