CVE-2026-104026 Sapling SCM - Command Injection

Sapling SCM < 0.2.20260929-102736 contains a command injection caused by control characters embedded in Git subtree URLs, letting attackers trigger code execution during read-only actions, exploit requires cloning a malicious repository.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-150

Vendor fix

Update to version 0.2.20260929-102736 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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