CVE-2026-104026CWE-150

CVE-2026-104026

High · published October 2, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00126 · 2.1th percentile
Weakness
CWE-150 · Improper Neutralization of Escape, Meta, or Control Sequences
Published
2026-10-02T19:17Z
References (1)
https://www.facebook.com/security/advisories/cve-2026-104026 · [email protected]
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 14:06Z
    In Sapling SCM prior to v0.2.20260929-102736, control characters were allowed to be embedded in Git subtree URLs
    cvelistv5