---
id: CVE-2026-89277
title: >-
  CAI Content Credentials is affected by an Integer Overflow or Wraparound
  vulnerability that could result in an application denial-of-service
summary: >-
  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-s…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-190
vendor: Adobe
product: Content Credentials Rust SDK
affected:
  - content_credentials_rust_sdk <= c2pa-v0.89.2
  - content_credentials_command-line_tool <= c2patool-v0.26.70
published: '2026-09-22'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T15:17:24.510'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-89277'
references:
  - url: >-
      https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-147.html
    label: psirt@adobe.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-23T14:10:17.068486Z'
epss: 0.00251
epssPercentile: 0.14599
ingestedAt: '2026-09-22T19:09:10.002Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.