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Vulnerability record · CVE-2026-104026 · published 2 October 2026

CVE-2026-104026: In Sapling SCM prior to v0.2.20260929-102736, control characters were allowed to be embedded in Git subtree UR…

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 such as sl log/blame/annotate.

7.8 CVSS 3.1 High EPSS 0.13% · top 98.0% CWE-150 · CWE-150 Awaiting Analysis
7.8CVSS 3.1 base score
0.13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
2 Oct 2026Last modified by NVD

Description

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 such as sl log/blame/annotate.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://www.facebook.com/security/advisories/cve-2026-104026

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Source: NIST National Vulnerability Database (record CVE-2026-104026), CISA KEV, FIRST EPSS (scores of 2026-10-03). This page is refreshed as NVD updates the record.