{"id":"CVE-2026-53534","title":"JabRef is a desktop application for managing BibTeX and BibLaTeX libraries","summary":"JabRef is a desktop application for managing BibTeX and BibLaTeX libraries. Prior to 6.0-alpha.6, when jabsrv or JabRef's built-in HTTP server is enabled, the GET /better-bibtex/cayw endpoint accepts an external command query parameter a…","severity":"high","cvss":7.5,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-78"],"vendor":"JabRef","product":"jabref","affected":["jabref < 6.0-alpha.6"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:16:59.617","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-53534","references":[{"url":"https://github.com/JabRef/jabref/commit/b8663fe58e6c87c3927cdb4eeb1f6934d7c3f1d2","label":"security-advisories@github.com"},{"url":"https://github.com/JabRef/jabref/pull/15628","label":"security-advisories@github.com"},{"url":"https://github.com/JabRef/jabref/releases/tag/v6.0-alpha.6","label":"security-advisories@github.com"},{"url":"https://github.com/JabRef/jabref/security/advisories/GHSA-m42c-cw93-p629","label":"security-advisories@github.com"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-17T22:30:21.397Z","epss":0.00353,"epssPercentile":0.28907,"slug":"CVE-2026-53534","body":"## Overview\n\nJabRef is a desktop application for managing BibTeX and BibLaTeX libraries. Prior to 6.0-alpha.6, when jabsrv or JabRef's built-in HTTP server is enabled, the GET /better-bibtex/cayw endpoint accepts an external command query parameter and CAYWQueryParams.getCommand() passes it through CAYWResource.getCitation() into PushToSublimeText.getCommandLine(). On Unix-like systems, PushToSublimeText combines this untrusted cite-command prefix and citation keys into a string executed through sh -c by ProcessBuilder without shell escaping. A client that can cause a localhost request with application=sublime can inject shell metacharacters and execute operating-system commands as the JabRef user when a valid Sublime Text command path is configured and the victim completes the CAYW selection dialog. The built-in server is disabled by default, so exploitation requires the victim to enable it or run jabsrv. This issue is fixed in version 6.0-alpha.6.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}