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CVE-2026-104026

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductSapling SCM
PublishedOct 2, 2026
First seenOct 2, 2026
Weakness typeCWE-150CWE-150

How to fix

Update
  • Meta Platforms, Inc Sapling SCMv0.2.20260929-102736 or later

Affected products

ProductAffected versionsFixed in
Meta Platforms, Inc Sapling SCMv0.0.0 ≤ v < v0.2.20260929-102736v0.2.20260929-102736

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