MetaCVE-2026-104026
Meta Sapling SCM: code execution
Fix: upgrade to v0.2.20260929-102736 or later
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Sapling SCM Product | >= v0.0.0, < v0.2.20260929-102736 | v0.2.20260929-102736 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-150
More Meta advisories
All Meta| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 30 | Prior to v66.0.0.733.524 of Meta Horizon OS | High8.8 | v66.0.0.733.524 |
| Sep 30 | Prior to v74.0.0.878.1682 of Meta Horizon OS | Critical9.1 | v74.0.0.878.1682 |
| Sep 28 | Meta proxygen: use after free | High7.3 | v2026.09.28.00 |
| Sep 28 | Meta proxygen: use after free | Medium5.3 | v2026.09.28.00 |
| Sep 28 | Meta proxygen: use after free | High7.5 | v2026.09.28.00 |
| Sep 28 | Meta moxygen: use after free | High7.5 | 004123dd24c30dad6b649163575145f240dabc94 |