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Fencer Vulns
high 7.4

CVE-2026-58612 json

PowerShell Information Disclosure Vulnerability

published 2026-08-11 2 mo ago modified 2026-10-30 10 d ago also BIT-powershell-2026-58612 , EUVD-2026-56303

cvss
7.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
0
none known

Summary

Server-side request forgery (ssrf) in Microsoft PowerShell Core allows an unauthorized attacker to disclose information over a network.

Patch / fix

  • bitnami powershell 7.4.19.0, 7.5.10.0, 7.6.5
  • Microsoft PowerShell 7.4 7.4.19.0
  • Microsoft PowerShell 7.5 7.5.10.0
  • Microsoft PowerShell 7.6 7.6.5
  • powershell Alpine 3.24 7.6.9-r0

alpine advisories ALPINE-CVE-2026-58612

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
CNA 3.1 7.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami powershell
>=7.6.0, <7.6.5
>=7.4.0, <7.4.19.0
>=7.5.0, <7.5.10.0
7.6.5
7.4.19.0
7.5.10.0

Affected products

  • Microsoft PowerShell 7.4
  • Microsoft PowerShell 7.5
  • Microsoft PowerShell 7.6

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.