CVE-2026-100116: adobe c2pa Improper Certificate Validation
Vulnerability summary
CVE-2026-100116 is a medium (CVSS 5.9) Improper Certificate Validation vulnerability in adobe c2pa. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.
Timeline
- 13-10-2026PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
CAI Content Credentials is affected by an Improper Certificate 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. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe6 products
- c2pa< 0.91.1
- c2pa tool≤ c2patool-v0.27.15
- c2pa-web< 0.15.3
- c2patool< 0.28.1
- content credentials js sdk≤ @contentauth/c2pa-web@0.13.4
1 vendor · 6 products