CVE-2026-100121

Undergoing Analysis Undergoing Analysis - In Progress

Improper Certificate Validation in CAI Content Credentials

Publication date: 2026-10-13

Last updated on: 2026-10-15

Assigner: Adobe Systems Incorporated

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. Exploitation of this issue does not require user interaction.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-15

Generated

2026-10-19

AI Q&A

2026-10-14

EPSS Evaluated

2026-10-18

NVD

CVE-2026-100121

EUVD

EUVD-2026-100729

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	c2pa	to 0.91.1 (exc)
adobe	c2pa-web	to 0.15.3 (exc)
adobe	c2patool	to 0.28.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-295	The product does not validate, or incorrectly validates, a certificate.

Attack-Flow Graph

Executive Summary

CAI Content Credentials has an Improper Certificate Validation vulnerability that allows attackers to bypass security features and gain unauthorized write access without user interaction.

Impact Analysis

This vulnerability could allow attackers to manipulate content credentials, potentially leading to unauthorized modifications or fraudulent content being attributed to trusted sources.

Mitigation Strategies

Update Adobe Content Credentials Rust SDK, Adobe C2PA Tool, and Adobe Content Credentials JS SDK to the latest patched versions. Monitor Adobe security advisories for patches and apply them promptly.

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