CVE-2026-71390
Analyzed Analyzed - Analysis Complete

CAI Content Credentials Improper Input Validation Security Bypass

Vulnerability report for CVE-2026-71390, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-11

Last updated on: 2026-08-28

Assigner: Adobe Systems Incorporated

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 does not require user interaction.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-11
Last Modified
2026-08-28
Generated
2026-09-01
AI Q&A
2026-08-12
EPSS Evaluated
2026-08-30
NVD
EUVD

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
adobe c2pa to 0.90.6 (exc)
adobe c2pa-web to 0.12.1 (exc)
adobe c2patool to 0.27.6 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

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Executive Summary

CAI Content Credentials has an Improper Input Validation vulnerability that allows an attacker to bypass security features and gain unauthorized limited write access without needing user interaction.

Detection Guidance

Detection of this vulnerability requires checking for improper input validation in CAI Content Credentials. Monitor logs for unauthorized write access attempts or anomalies in Adobe CAI Content Credentials operations. No specific commands are provided in the available context.

Impact Analysis

This vulnerability could allow an attacker to bypass security measures and gain unauthorized limited write access, potentially leading to unauthorized modifications or data manipulation.

Compliance Impact

The vulnerability allows unauthorized limited write access due to improper input validation, which could potentially lead to unauthorized data modifications. This may impact compliance with standards like GDPR (data integrity) and HIPAA (data security) by enabling unauthorized changes to content credentials.

Mitigation Strategies

Apply the latest security patches or updates provided by Adobe for CAI Content Credentials. Review and enforce input validation mechanisms in your systems to prevent improper data handling. Monitor for unauthorized write access attempts or unusual activity in systems using this software.

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