CAI Content Credentials | Improper Input Validation (CWE-20) (CVE-2026-75634) | HOL Guard CVE

Medium · CVSS 4.3CVE-2026-75634

CAI Content Credentials | Improper Input Validation (CWE-20)

Answer in brief

CVE-2026-75634 records a Medium severity (CVSS 4.3) vulnerability in CAI Content Credentials | Improper Input Validation (CWE-20). The current sources do not mark it as known exploited. The current feed maps Adobe/Content Credentials Command-Line Tool (generic), Adobe/Content Credentials Rust SDK (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 22, 2026Updated Sep 22, 2026Source checked Sep 22, 2026First seen by HOL Sep 22, 2026Material review Sep 22, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 4.3
Exploitation: Not marked as known exploited
Affected software: 2 mapped packages or products
Fix availability: Not reported

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Adobe/Content Credentials Command-Line Tool (generic), Adobe/Content Credentials Rust SDK (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Adobe/Content Credentials Command-Line Toolgeneric	>=0 <=c2patool-v0.26.70	Not reported
Adobe/Content Credentials Rust SDKgeneric	>=0 <=c2pa-v0.89.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Adobe/Content Credentials Command-Line Tool, Adobe/Content Credentials Rust SDK.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 22, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 22, 2026

Sources and claim methodology

Source referencehelpx.adobe.com

Upstream source 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 requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.

Quoted source text, attributed separately from HOL analysis.