CVE-2026-71443 (GCVE-0-2026-71443)
Vulnerability from cvelistv5 – Published: 2026-08-25 17:31 – Updated: 2026-08-25 17:31
VLAI
EPSS
VEX
Title
CAI Content Credentials | Improper Input Validation (CWE-20)
Summary
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.
Severity
7.5 (High)
CWE
- CWE-20 - Improper Input Validation (CWE-20)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/content… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Adobe | C2PA Tool |
Affected:
0 , ≤ c2patool-v0.26.70
(custom)
Unaffected: c2patool-v0.27.11 (custom) |
guessed | |
| Adobe | Content Credentials Rust SDK |
Affected:
0 , ≤ c2pa-v0.89.0
(custom)
Unaffected: c2pa-v0.90.11 (custom) |
guessed |
Date Public
2026-08-25 17:00
{
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"environmentalScore": 7.5,
"environmentalSeverity": "HIGH",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "NETWORK",
"modifiedAvailabilityImpact": "HIGH",
"modifiedConfidentialityImpact": "NONE",
"modifiedIntegrityImpact": "NONE",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "NONE",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
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"temporalSeverity": "HIGH",
"userInteraction": "NONE",
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"providerMetadata": {
"dateUpdated": "2026-08-25T17:31:29.904Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-110.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "CAI Content Credentials | Improper Input Validation (CWE-20)",
"x_generator": {
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"cveMetadata": {
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"cveId": "CVE-2026-71443",
"datePublished": "2026-08-25T17:31:29.904Z",
"dateReserved": "2026-08-06T16:40:07.109Z",
"dateUpdated": "2026-08-25T17:31:29.904Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-71443",
"date": "2026-08-27",
"epss": "0.00508",
"percentile": "0.41223"
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"nvd": "{\"cve\":{\"id\":\"CVE-2026-71443\",\"sourceIdentifier\":\"psirt@adobe.com\",\"published\":\"2026-08-25T18:18:01.490\",\"lastModified\":\"2026-08-26T16:45:12.020\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"affected\":[{\"source\":\"psirt@adobe.com\",\"affectedData\":[{\"vendor\":\"Adobe\",\"product\":\"C2PA Tool\",\"defaultStatus\":\"affected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"c2patool-v0.26.70\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"c2patool-v0.27.11\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Adobe\",\"product\":\"Content Credentials Rust SDK\",\"defaultStatus\":\"affected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"c2pa-v0.89.0\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"c2pa-v0.90.11\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"psirt@adobe.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"references\":[{\"url\":\"https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-110.html\",\"source\":\"psirt@adobe.com\"}]}}"
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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