CVE-2026-75638 CAI Content Credentials | Improper Input Validation (CWE-20)
Attackers can bypass security measures to gain unauthorized write access via malicious URLs, affecting Content Credentials SDK users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-75638?
CVE-2026-75638 is a medium-severity vulnerability in Adobe C2pa, published on 22 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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 write access. 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-20
Which versions are affected by CVE-2026-75638?
It affects 2 products.
Products include Adobe C2pa, Adobe C2patool.
How do I fix CVE-2026-75638?
No fix has been published for CVE-2026-75638 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-75638 being exploited?
There is no known exploitation of CVE-2026-75638 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-4p27-x7pf-c58j.