Foxit PDF Editor/PDF Reader prior 2026.1.1/14.0.4 Document Action Chain insufficient control flow management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Foxit PDF Editor and PDF Reader. It has been rated as problematic. Impacted is an unknown function of the component Document Action Chain Handler. Performing a manipulation results in insufficient control flow management. This vulnerability was named CVE-2026-5938. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Foxit PDF Editor and PDF Reader. This affects an unknown function of the component Document Action Chain Handler. The manipulation with an unknown input leads to a insufficient control flow management vulnerability. CWE is classifying the issue as CWE-691. The code does not sufficiently manage its control flow during execution, creating conditions in which the control flow can be modified in unexpected ways. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was presented by CITIVD. The advisory is shared at foxit.com. This vulnerability is uniquely identified as CVE-2026-5938 since 04/09/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 310407 (Foxit PDF Editor < 13.2.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2026.1.1 or 14.0.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (310407) and EUVD (EUVD-2026-25824). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (Foxit): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Insufficient control flow management
CWE: CWE-691
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 310407
Nessus Name: Foxit PDF Editor < 13.2.4 Multiple Vulnerabilities

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: PDF Editor/PDF Reader 2026.1.1/14.0.4

Timelineinfo

04/09/2026 CVE reserved
04/27/2026 +18 days Advisory disclosed
04/27/2026 +0 days VulDB entry created
05/07/2026 +10 days VulDB entry last update

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxit.com
Researcher: CITIVD
Status: Confirmed

CVE: CVE-2026-5938 (🔒)
GCVE (CVE): GCVE-0-2026-5938
GCVE (VulDB): GCVE-100-359793
EUVD: 🔒

Entryinfo

Created: 04/27/2026 15:18
Updated: 05/07/2026 10:35
Changes: 04/27/2026 15:18 (62), 04/27/2026 16:31 (1), 04/27/2026 22:39 (2), 05/07/2026 10:32 (2), 05/07/2026 10:35 (4)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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