CVE-2026-75634 CAI Content Credentials | Improper Input Validation (CWE-20)

Medium 4.3 Published Updated

Attackers can bypass security measures to gain unauthorized write access via malicious URLs in Adobe Content Credentials tools.

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-2026-75634?

CVE-2026-75634 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 limited 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-2026-75634?

It affects 2 products.

Products include Adobe C2pa, Adobe C2patool.

How do I fix CVE-2026-75634?

No fix has been published for CVE-2026-75634 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-75634 being exploited?

There is no known exploitation of CVE-2026-75634 in the wild and no public exploit code.

All Adobe C2pa vulnerabilities

Sources

Also known as GHSA-8977-v5wq-92j3.

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