CVE-2026-4947: foxit software inc. na1.foxitesign.foxit.com Improper Access Control
Vulnerability summary
CVE-2026-4947 is a high (CVSS 7.1) Improper Access Control vulnerability in foxit software inc. na1.foxitesign.foxit.com. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.2% of scored vulnerabilities.
Timeline
- 01-04-2026PublishedVulnerability first disclosed.
- 02-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
+0.12 pp
From 0.17% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Foxit1 product
- esign< 2026-03-26
Foxit software inc.1 product
- na1.foxitesign.foxit.com< 2026-03-26
2 vendors · 2 products
References
1 links- www.foxit.com/support/security-bulletins.htmlVendor Advisory