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TI-2026-73680 Aliases CVE-2026-100136GHSA-h4f4-xvfc-627f

Integer overflow in Adobe CAI Content Credentials causes crashes

Priority MEDIUM 40CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

Adobe's Content Credentials Rust SDK up to and including c2pa-v0.90.15, C2PA Tool up to and including c2patool-v0.27.15, and Content Credentials JS SDK up to and including @contentauth/[email protected] contain an integer overflow or wraparound (CWE-190). A remote attacker who needs no privileges or user interaction can crash the application, causing a denial of service.

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

Description from the CNA

CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00568 47th 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

Upgrade Content Credentials Rust SDK to c2pa-v0.91.1, C2PA Tool to v0.28.1, and 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-2026-100136
  2. 2026-10-14 Alias added: GHSA-h4f4-xvfc-627f
  3. 2026-10-14 Priority changed: MEDIUM → LOW
  4. 2026-10-15 CISA SSVC decision points changed
  5. 2026-10-15 Priority changed: LOW → MEDIUM

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