CVE-2026-5938

MEDIUM
Published Apr 27, 2026 Modified Apr 29, 2026 CWE-691

Description

Improper control flow management allows a crafted document action chain to cause modal dialog reentry on the main thread, resulting in UI freeze and denial of service.

CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0002
Probability of exploitation
0.04%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-691 CWE-691

Affected Products

Vendor Product
foxit pdf_editor
foxit pdf_editor
foxit pdf_editor
foxit pdf_reader

References

Frequently Asked Questions

What is CVE-2026-5938? +
Improper control flow management allows a crafted document action chain to cause modal dialog reentry on the main thread, resulting in UI freeze and denial of service. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2026-5938? +
CVE-2026-5938 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-5938? +
CVE-2026-5938 affects products from foxit, specifically: pdf_editor, pdf_reader. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-5938? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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