Improper input validation in Adobe C2pa
CVE-2026-75638
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.007 (53.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.007 · change: -0.005
Affected products
Weakness classification (CWE)
References
- helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-147.html (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-75638?
- CVE-2026-75638 is a medium-severity vulnerability in Adobe C2pa, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2026-09-22.
- How severe is CVE-2026-75638?
- Medium severity. CVSS v3 base score is 6.5 out of 10.