A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the document continues to appear validly signed.
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://www.foxit.com/support/security-bulletins.html |
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History
Wed, 23 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content spoofing while the document continues to appear validly signed. | |
| Title | Security vulnerability: Foxit PDF Editor/Reader Fails to Detect Modifications to Signed Documents Displaying Newly Added Content | |
| Weaknesses | CWE-347 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: Foxit
Published:
Updated: 2026-09-23T07:49:25.079Z
Reserved: 2026-09-15T07:34:45.816Z
Link: CVE-2026-91814
No data.
Status : Received
Published: 2026-09-23T08:17:13.673
Modified: 2026-09-23T08:17:13.673
Link: CVE-2026-91814
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OpenCVE Enrichment
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Weaknesses