{"id":"CVE-2026-103431","state":"PUBLISHED","title":"Collectl: collectl: colmux does not sanitize ansi/vt100 terminal escape sequences in data received from remote collectl instances","description":"colmux in collectl before 4.3.20.2 does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances before displaying it, allowing a local user on a monitored host to inject escape sequences into the terminal of an operator running colmux, via a crafted process name (argv[0]).","publishedAt":"2026-10-01T08:35:40.824Z","updatedAt":"2026-10-01T15:24:12.796Z","severity":{"score":7.7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","source":"fedora"},"assigner":"fedora","products":["collectl"],"affected":[{"packageName":"collectl","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.3.20.3","versionType":"semver"}],"collectionURL":"https://github.com/sharkcz/collectl"}],"references":["https://access.redhat.com/security/cve/CVE-2026-103431","https://bugzilla.redhat.com/show_bug.cgi?id=2543974"],"weaknesses":["CWE-150"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/103xxx/CVE-2026-103431.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-103431","state":"PUBLISHED","datePublished":"2026-10-01T08:35:40.824Z","dateUpdated":"2026-10-01T15:24:12.796Z","assignerShortName":"fedora","assignerOrgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","dateReserved":"2026-09-30T15:19:13.980Z"},"containers":{"cna":{"title":"Collectl: collectl: colmux does not sanitize ansi/vt100 terminal escape sequences in data received from remote collectl instances","descriptions":[{"lang":"en","value":"colmux in collectl before 4.3.20.2 does not sanitize ANSI/VT100 terminal escape sequences in data received from remote collectl instances before displaying it, allowing a local user on a monitored host to inject escape sequences into the terminal of an operator running colmux, via a crafted process name (argv[0])."}],"affected":[{"packageName":"collectl","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.3.20.3","versionType":"semver"}],"collectionURL":"https://github.com/sharkcz/collectl"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-103431","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2543974","name":"RHBZ#2543974","tags":["issue-tracking","x_refsource_REDHAT"]}],"metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-150","description":"Improper Neutralization of Escape, Meta, or Control Sequences","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"fedora","orgId":"92fb86c3-55a5-4fb5-9c3f-4757b9e96dc5","dateUpdated":"2026-10-01T08:35:40.824Z"},"datePublic":"2026-09-30T15:26:50.764Z","x_redhatCweChain":"CWE-150: Improper Neutralization of Escape, Meta, or Control Sequences","workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}],"timeline":[{"lang":"en","time":"2026-09-30T15:21:53.108Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-09-30T15:26:50.764Z","value":"Made public."}],"credits":[{"lang":"en","value":"This issue was discovered by Laurence Oberman (Red Hat) and Nathan Scott (Red Hat)."}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-01T15:24:05.431024Z","id":"CVE-2026-103431","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-01T15:24:12.796Z"}}]}}}