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CVE-2026-89277

MEDIUM 5.5 ALL-YEARS

Published 2026-09-22 · Last modified 2026-09-23 · adobe · NVD: Analyzed

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 requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 15th percentile

○ In CISA KEV○ Public exploit / PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

5.5CVSS 3.1 · MEDIUM · CNA

  • ConfidentialityNone
  • IntegrityNone
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ✓Privileges: No account or privileges required
  • ⚠User interaction: A user must take an action (click / open a file)
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

No public exploit or proof-of-concept code is catalogued for this CVE (no ExploitDB, Nuclei, or CISA-KEV entry). It may still exist — search GitHub or check the references below.

Affected

Vendors Adobe

Products Content Credentials Rust Sdk Content Credentials Command Line Tool C2pa C2patool

Weakness (CWE)

  • CWE-190: Integer Overflow or Wraparound (CWE-190)

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Known Affected Software Configurations

VendorProductVersion range
AdobeC2pa< 0.90.17
AdobeC2patool< 0.27.17

All CVSS metrics

  • MEDIUM 5.5 v3.1 · CNA Primary
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • MEDIUM 5.5 v3.1 · NVD Secondary
    CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Sources: NVD · CVE.org · EPSS