---
title: "CVE-2026-107732: SumatraPDF - Command Injection"
description: "SumatraPDF <= 3.6.1 contains a command injection caused by untrusted document paths and PDF link targets being interpreted as trusted tip markup in ParseTip(), letting attackers execute local programs in the user's context, exploit requires user interaction."
url: https://panop.io/threat-heartbeat/CVE-2026-107732/
---

# CVE-2026-107732 SumatraPDF - Command Injection

SumatraPDF <= 3.6.1 contains a command injection caused by untrusted document paths and PDF link targets being interpreted as trusted tip markup in ParseTip(), letting attackers execute local programs in the user's context, exploit requires user interaction.

CVSS base score 8.4 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107732)

## Details

Type

Command Injection

Impact

Remote Code Execution

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-94](https://cwe.mitre.org/data/definitions/94.html)

## Vendor fix

Update to the latest version once available.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-107732](https://nvd.nist.gov/vuln/detail/CVE-2026-107732)
- [https://github.com/sumatrapdfreader/sumatrapdf/commit/8b680387ed69e3504ef296e09d6e032f81076af8](https://github.com/sumatrapdfreader/sumatrapdf/commit/8b680387ed69e3504ef296e09d6e032f81076af8)
- [https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-2wv2-qm2f-vmxh](https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-2wv2-qm2f-vmxh)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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