Medium severity · published Aug 11, 2026
CVE-2026-48437
CAI Content Credentials | Improper Certificate Validation (CWE-295)
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
CAI Content Credentials is affected by an Improper Certificate Validation vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% 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
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CVE-2026-48439
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