{"id":"CVE-2026-118692","aliases":["DEBIAN-CVE-2026-118692","EUVD-2026-112493","GHSA-3v3v-qqf5-5rqr","UBUNTU-CVE-2026-118692"],"status":"published","title":"CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","severity":{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00581,"percentile":0.48213,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-10-28T21:11:19Z","modified":"2026-11-04T02:30:55Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.99.48+dfsg-1","0.99.53+dfsg-1","1.0.2+dfsg-1","1.1.0+dfsg-1","1.1.2+dfsg-1","1.2.0+dfsg-1"]},{"source":"osv","ecosystem":"Debian:13","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0+dfsg-1"]},{"source":"osv","ecosystem":"Debian:14","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.35.10-1","0.35.11-1","0.36.2-1","0.36.3-1","0.36.4-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.37.6-1","0.37.6-1.1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.99.40+dfsg-1","0.99.43+dfsg-1build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.99.48+dfsg-1","1.0.2+dfsg-1","1.0.2+dfsg-1build2","1.0.2+dfsg-1build3","1.1.2+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0+dfsg-1build2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"cherrytree","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0+dfsg-1build1","1.2.0+dfsg-1build2"]}],"products":[{"vendor":"giuspen","product":"cherrytree"}],"references":[{"url":"https://github.com/giuspen/cherrytree/issues/2945","tags":["issue-tracking","report"]},{"url":"https://github.com/giuspen/cherrytree","tags":["product","package","report"]},{"url":"https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_actions_others.cc#L381-L388","tags":["technical-description","article","report"]},{"url":"https://github.com/giuspen/cherrytree/blob/v1.7.2/src/ct/ct_misc_utils.cc#L227-L247","tags":["technical-description","article","report"]},{"url":"https://www.vulncheck.com/advisories/cherrytree-through-1.7.2-os-command-injection-via-custom-web-link-action","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-118692","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3v3v-qqf5-5rqr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/118xxx/CVE-2026-118692.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-118692","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-118692","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-118692","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-118692","title":"CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T21:11:19.351Z","modified":"2026-10-28T21:11:19.351Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"cna"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:20:03.827373Z"}],"euvd":[{"id":"EUVD-2026-112493","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T21:11:19Z","modified":"2026-11-03T00:00:33Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-03T05:08:36.239358Z"}],"ghsa":[{"id":"GHSA-3v3v-qqf5-5rqr","title":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions:...","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-29T00:31:24Z","modified":"2026-10-29T00:31:25Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:14:36.959763Z"}],"nvd":[{"id":"CVE-2026-118692","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T22:17:13.387Z","modified":"2026-11-03T00:17:18.32Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high","assessor":"secondary"},{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-03T06:40:58.196745Z"}],"osv":[{"id":"CVE-2026-118692","title":"CherryTree through 1.7.2 OS Command Injection via Custom Web Link Action","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T21:11:19.351Z","modified":"2026-11-04T02:30:55.672028976Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-04T02:54:44.889498Z"},{"id":"DEBIAN-CVE-2026-118692","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T22:17:13.387Z","modified":"2026-11-03T10:00:20.122305673Z","cvss":[{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-03T10:27:58.933618Z"},{"id":"UBUNTU-CVE-2026-118692","description":"CherryTree through 1.7.2 contains an OS command injection vulnerability in CtActions::link_clicked that allows attackers to execute commands by embedding shell metacharacters in web link URLs. When the non-default Custom Web Link Clicked Action option is enabled, attackers can supply crafted documents whose links pass $(...), backticks, or semicolons unquoted to std::system, running commands as the victim on click.","status":"published","published":"2026-10-28T22:17:00Z","modified":"2026-11-05T04:42:51Z","cvss":[{"version":"3.1","score":7,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":7.1,"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","level":"high"}],"updated_at":"2026-11-05T13:33:25.727744Z"}]}}