Limited write access via crafted web content
Published Sep 22, 2026 · Updated Sep 22, 2026
Improper input validation in Adobe Content Credentials components allows context-dependent attackers to gain unauthorized limited write access. Adobe has not published the affected function or the input-validation operation that accepts the crafted content. Exploitation requires a victim to visit a maliciously crafted URL or interact with a compromised web page, so the consequence is bounded to limited writes reached through that interaction.
Summary
What happened
Improper input validation in Adobe Content Credentials components allows context-dependent attackers to gain unauthorized limited write access. Adobe has not published the affected function or the input-validation operation that accepts the crafted content. Exploitation requires a victim to visit a maliciously crafted URL or interact with a compromised web page, so the consequence is bounded to limited writes reached through that interaction.
The record
- CVE
- CVE-2026-75634
- Published
- Sep 22, 2026
- Updated
- Sep 22, 2026
- Vendor
- Adobe Inc.
- Product
- Content Credentials Rust SDK
- Classifications
- CWE-20, T1204.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 22, 2026CVE publishedPublication date reported by the CVE source.
- Sep 22, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <=c2pa-v0.89.2
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Activity data is delayed. The latest report is Sep 28, 2026.
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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