6.2

CVE-2026-3778: foxit software inc. foxit pdf editor Uncontrolled Recursion

CVSS: 6.2v3.1MediumAnalyzed
Published 01-04-2026Last modified 02-04-2026
Open JSON

Vulnerability summary

CVE-2026-3778 is a medium (CVSS 6.2) Uncontrolled Recursion vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.5% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.2/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.15%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 01-04-2026
    PublishedVulnerability first disclosed.
  2. 02-04-2026
    Last modifiedVulnerability information updated.

Description

The application does not detect or guard against cyclic PDF object references while handling JavaScript in PDF. When pages and annotations are crafted that reference each other in a loop, passing the document to APIs (e.g., SOAP) that perform deep traversal can cause uncontrolled recursion, stack exhaustion, and application crashes.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

+0.04 pp

From 0.10% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Foxit2 products
  • pdf_editor≤ 13.2.2.24014 | ≥ 14.0.0.33046, ≤ 14.0.2.33402 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.3.0.35737 | ≤ 13.2.2.63349 | ≥ 14.0.0.68868, ≤ 14.0.2.69164 | ≥ 2023.1.0.55583, ≤ 2023.3.0.63083 | ≥ 2024.1.0.63682, ≤ 2024.4.1.66479 | ≥ 2025.1.0.66692, ≤ 2025.3.0.69570
  • pdf_reader≤ 2025.3.0.35737 | ≤ 2025.3.0.69570
Foxit software inc.2 products

2 vendors · 4 products

References

1 links