CVE-2026-48436: adobe c2pa Improper Input Validation
Vulnerability summary
CVE-2026-48436 is a medium (CVSS 6.5) Improper Input Validation vulnerability in adobe c2pa. EPSS estimates a 0.72% chance of exploitation in the next 30 days, higher than 53% of scored vulnerabilities.
Timeline
- 11-08-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
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 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 metrics
2 scores · 2 sources · 1 version- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.72%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
+0.33 pp
From 0.39% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe6 products
- c2pa< 0.90.6
- c2pa-web< 0.12.1
- c2patool< 0.27.6
- content credentials command-line tool≤ c2patool-v0.27.5
- content credentials js sdk≤ @contentauth/c2pa-web@0.12.0
1 vendor · 6 products