Medium severity · published Aug 11, 2026
CVE-2026-71390
CAI Content Credentials | Improper Input Validation (CWE-20)
4.0
CVSS
0.3%
EPSS
No
On KEV
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 does not require user interaction.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CC
Content Credentials Command-Line Tool · Adobe
through c2patool-v0.27.5 · source: vendor
CC
Content Credentials JS SDK · Adobe
through @contentauth/c2pa-web@0.12.0 · source: vendor
CC
Content Credentials Rust SDK · Adobe
through c2pa-v0.90.5 · source: vendor
C2
C2pa · Adobe
before 0.90.6 · source: NVD
C2
C2pa-web · Adobe
before 0.12.1 · source: NVD
C2
C2patool · Adobe
before 0.27.6 · source: NVD
Affected product
CC
Content Credentials Command-Line Tool
Adobe
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-71390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-71390
Vendor Advisory
https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-111.html
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