SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-58423

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories

HIGH 7.7EPSS 0.54%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

LFS authentication bypass via malformed SSH sub-verb allows unauthorized read access to private repositories

CVSS 3.1
7.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS
0.54% probability · 44th percentile
CISA KEV
Not listed
Weakness
CWE-287
Source
88ee5874-cf24-4952-aea0-31affedb7ff2

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.