{"id":"CVE-2026-104026","title":"In Sapling SCM prior to v0.2.20260929-102736, control characters were allowed to be embedded in Git subtree URLs","summary":"In Sapling SCM prior to v0.2.20260929-102736, control characters were allowed to be embedded in Git subtree URLs. A maliciously constructed repository, if cloned by a target, could trigger code execution on otherwise read-only actions su…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-150"],"vendor":"Meta Platforms, Inc","product":"Sapling SCM","affected":["sapling_scm >= v0.0.0 < v0.2.20260929-102736"],"published":"2026-10-02","updated":"2026-10-02","sourceUpdated":"2026-10-02T15:17:05.453","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-104026","references":[{"url":"https://www.facebook.com/security/advisories/cve-2026-104026","label":"cve-assign@fb.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-02T14:29:47.415266Z"},"ingestedAt":"2026-10-02T15:21:27.995Z","slug":"CVE-2026-104026","body":"## Overview\n\nIn Sapling SCM prior to v0.2.20260929-102736, control characters were allowed to be embedded in Git subtree URLs. A maliciously constructed repository, if cloned by a target, could trigger code execution on otherwise read-only actions such as sl log/blame/annotate.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}