--- title: "CVE-2026-107802: SumatraPDF - Command Injection" description: "SumatraPDF <= 3.6.1 contains a command injection caused by incomplete quote-only escaping in translation text embedding in Windows command lines, letting attackers inject CLI flags when specific backends are used, exploit requires agentic CLI backend installation." url: https://panop.io/threat-heartbeat/CVE-2026-107802/ --- # CVE-2026-107802 SumatraPDF - Command Injection SumatraPDF <= 3.6.1 contains a command injection caused by incomplete quote-only escaping in translation text embedding in Windows command lines, letting attackers inject CLI flags when specific backends are used, exploit requires agentic CLI backend installation. CVSS base score 7.1 /10 High CISA KEV Not listed Public exploit None known EPSS 0.14% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-107802) ## Details Type Command Injection Impact Command Injection CVSS vector CVSS:4.0/AV:L/AC:L/AT:P/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-88](https://cwe.mitre.org/data/definitions/88.html) ## Vendor fix Update to the latest version once a fix is 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-2026-107802](https://nvd.nist.gov/vuln/detail/CVE-2026-107802) - [https://github.com/sumatrapdfreader/sumatrapdf/commit/6b88a751ab34a28bafca3bdd635aaa2f4c1e06b6](https://github.com/sumatrapdfreader/sumatrapdf/commit/6b88a751ab34a28bafca3bdd635aaa2f4c1e06b6) - [https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-xvxg-cwmx-hr7j](https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-xvxg-cwmx-hr7j) [← All CVEs](https://panop.io/threat-heartbeat/) ## 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 Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)