CVE-2026-71443· NVD / CVE Program· CNA adobe

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

CAI Content Credentials is affected by an Improper Input Validation vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not require user interaction.

HighCVSS 7.5 · v3.1—No exploit No fix recorded

EUVD-2026-65626

Published: Aug 25, 2026
Updated: Sep 1, 2026
EPSS: 0.9% · 59th percentile
CWE: CWE-20

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Action score

Monitor

Low priority for now.

CVSS: 30 / 40 · 7.5 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.9%

CISA SSVC decision

Exploitation: none
Automatable: yes
Technical impact: partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD: —
CNA · adobe: 7.5; NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

Vendor	Product	CPE
adobe	c2pa	cpe:2.3:a:adobe:c2pa
adobe	c2patool	cpe:2.3:a:adobe:c2patool

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

adobe c2paup to 0.89.0 inclusive
adobe c2patoolup to 0.26.70 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (adobe). Independent of NVD's CPE analysis and usually ahead of it.

Adobe C2PA Tool
- c2patool-v0.27.11not affected
- up to and including c2patool-v0.26.70affected
Adobe Content Credentials Rust SDK
- c2pa-v0.90.11not affected
- up to and including c2pa-v0.89.0affected

Same product

adobe: all records

Other highest-scoring records for the same primary product.

CVE-2026-48290CAI Content Credentials | Server-Side Request Forgery (SSRF) (CWE-918)
32Monitor
CVE-2026-71442CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
30Monitor
CVE-2026-71360CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)
30Monitor
CVE-2026-48439CAI Content Credentials | Uncontrolled Resource Consumption (CWE-400)
30Monitor
CVE-2026-48438CAI Content Credentials | NULL Pointer Dereference (CWE-476)
30Monitor
CVE-2026-48352CAI Content Credentials | Improper Input Validation (CWE-20)
30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

CVE-2026-4835142 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
30Monitor
CVE-2026-4835242 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
30Monitor
CVE-2026-3471277 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
30Monitor
CVE-2026-4831242 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
27Monitor
CVE-2026-4843614 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
26Monitor
CVE-2026-4830242 days apartCAI Content Credentials | Improper Input Validation (CWE-20)
24Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope