CVE-2026-105902 Adobe CVE debrief

Who should care

Defenders and administrators responsible for Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK should assess exposure and prioritize updates. Given the potential for denial-of-service, swift action is necessary to ensure system availability.

Why it matters

CVE-2026-105902 is an Uncontrolled Resource Consumption vulnerability in Adobe's CAI Content Credentials that could lead to application denial-of-service. Defenders should prioritize verifying and updating affected systems to prevent potential resource exhaustion and denial-of-service conditions.

• Potential application denial-of-service due to resource exhaustion
• Need for verification and updates of affected systems
• Possible impact on system availability and performance

Technical summary

The vulnerability, CVE-2026-105902, is an Uncontrolled Resource Consumption issue in Adobe's CAI Content Credentials. This could allow an attacker to cause an application denial-of-service condition by exhausting system resources. The vulnerability affects multiple products, including Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. Exploitation does not require user interaction.

Defensive priority

Defenders should prioritize verifying and updating affected systems, particularly focusing on Content Credentials Rust SDK, C2PA Tool, and Content Credentials JS SDK. Given the potential for denial-of-service, swift action is necessary to ensure system availability.

Recommended defensive actions

• Verify and update Content Credentials Rust SDK to version c2pa-v0.91.1 or later
• Verify and update C2PA Tool to version v0.28.1 or later
• Verify and update Content Credentials JS SDK to version @contentauth/[email protected] or later
• Monitor system resources for unusual consumption patterns
• Implement compensating controls to mitigate potential denial-of-service attacks

Evidence notes

The CVE record and source item provide details on the vulnerability, its potential impact, and affected products. However, specific details about exploitation attempts or victim organizations are not provided. The vendor, Adobe, has provided an advisory (APSB26-163) addressing this issue.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.