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CVE-2026-4947

Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign

Published: Apr 1, 2026Updated: Apr 27, 2026 Sources: CVE List NVDCWE-284
7.1HIGH
NVD MITRE
EPSS Score
0.2%
Top 92.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Addressed a potential insecure direct object reference (IDOR) vulnerability in the signing invitation acceptance process. Under certain conditions, this issue could have allowed an attacker to access or modify unauthorized resources by manipulating user-supplied object identifiers, potentially leading to forged signatures and compromising the integrity and authenticity of documents undergoing the signing process. The issue was caused by insufficient authorization validation on referenced resources during request processing.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-284

Affected Products

foxit
commercial·CNaka foxit reader, foxit pdf
esignOn-premDesktop App
Consumer Software / productivity
Foxit Software Inc.
commercial·USaka foxit pdf reader, foxit pdf editor
na1.foxitesign.foxit.comOn-premWeb App
Consumer Software / productivity

Exploitability

Official Patch Available
Is your org exposed to CVE-2026-4947?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.foxit.com/support/security-bulletins.html
foxit.com
News mentions
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