SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-58416

Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

HIGH 7.1EPSS 0.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Fork-PR Actions task can read a third private repository via the collaborative-owner branch (missing fork-PR guard)

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS
0.25% probability · 17th percentile
CISA KEV
Not listed
Weakness
CWE-280, CWE-863
Source
88ee5874-cf24-4952-aea0-31affedb7ff2

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