CVE-2026-71443Hinoki check available

Application crash via malformed C2PA content

Published Aug 25, 2026 · Updated Aug 27, 2026

Improper input validation in C2PA Tool 0.26.70 and earlier and Content Credentials Rust SDK 0.89.0 and earlier allows application crashes. Adobe has not published the affected parser, input field, or validation operation that mishandles crafted content. Exploitation requires no user interaction; processing malicious C2PA content terminates the tool or an application embedding the SDK.

CVSS severityUnavailable
Unscored
EPSS probability0.51%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Improper input validation in C2PA Tool 0.26.70 and earlier and Content Credentials Rust SDK 0.89.0 and earlier allows application crashes. Adobe has not published the affected parser, input field, or validation operation that mishandles crafted content. Exploitation requires no user interaction; processing malicious C2PA content terminates the tool or an application embedding the SDK.

The record

CVE
CVE-2026-71443
Published
Aug 25, 2026
Updated
Aug 27, 2026
Vendor
Adobe
Product
C2PA Tool
Classifications
CWE-20, T1499.004
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Aug 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=c2patool-v0.26.70

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Adobe · C2PA Toolversion=0 <=c2patool-v0.26.70
Adobe · Content Credentials Rust SDKversion=0 <=c2pa-v0.89.0

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-20Improper Input Validation
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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