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TI-2026-04311 Aliases CVE-2026-4947GHSA-hw2m-7jfm-r9gq

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

Priority LOW 30CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00178 7th percentileScored 2026-11-07
Fix Fixed na1.foxitesign.foxit.com (Foxit Software Inc.): 2026-03-26

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Foxit Software Inc.na1.foxitesign.foxit.combefore 2026-03-262026-03-26Patch availableCNA
  • na1.foxitesign.foxit.com VendorFoxit Software Inc. Affected before 2026-03-26 Fixed in 2026-03-26 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:foxit:esign:*:*:*:*:*:*:*:*before 2026-03-26VulnerableFoxit
  • cpe:2.3:a:foxit:esign:*:*:*:*:*:*:*:* Versions before 2026-03-26 Vulnerable ·Foxit

Remediation

  • Fix · CNA na1.foxitesign.foxit.com (Foxit Software Inc.) Fixed in 2026-03-26

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-4947
  2. 2026-10-03 Alias added: GHSA-hw2m-7jfm-r9gq

References

Advisory 1

  • TI-2011-04633 Foxit PDF Reader < 4.3.1.0218 JavaScript File Write CVSS 4.0HIGH 8.4
  • TI-2016-06851 Out-of-bounds read in Foxit Reader CVSS 3.0MEDIUM 6.8
  • TI-2018-02932 Use after free in Foxit PDF Reader CVSS 3.1HIGH 7.8
  • TI-2018-02965 Use after free in Foxit PDF Reader CVSS 3.1HIGH 8.8
  • TI-2018-02964 Use after free in Foxit PDF Reader CVSS 3.1HIGH 8.8
  • TI-2018-02962 Use after free in Foxit PDF Reader CVSS 3.1HIGH 8.8
See all 120 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences