CVE-2026-89277 CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)
An integer overflow in the Content Credentials SDK allows attackers to crash the application via malicious URLs, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-89277?
CVE-2026-89277 is a medium-severity vulnerability in Adobe C2pa, published on 22 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-190
Which versions are affected by CVE-2026-89277?
It affects 2 products.
Products include Adobe C2pa, Adobe C2patool.
How do I fix CVE-2026-89277?
No fix has been published for CVE-2026-89277 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89277 being exploited?
There is no known exploitation of CVE-2026-89277 in the wild and no public exploit code.
Other vulnerabilities in Adobe C2pa
- CVE-2026-95634 CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918)
- CVE-2026-48290 CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918)
- CVE-2026-100113 CAI Content Credentials | Improper Input Validation (CWE-20)
- CVE-2026-100114 CAI Content Credentials | Improper Access Control (CWE-284)
- CVE-2026-100115 CAI Content Credentials | Improper Access Control (CWE-284)
Sources
Also known as GHSA-cm62-68c9-w7q2.