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UK Cyber Defence
VulnerabilityAwaiting Analysis

CVE-2026-79824

A directory traversal vulnerability in HPE NonStop Python 3.x could allow attackers to overwrite arbitrary files via a ..

HIGH 8.0EPSS 0.34%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A directory traversal vulnerability in HPE NonStop Python 3.x could allow  attackers to overwrite arbitrary files via a .. (dot dot) sequence in filenames in a TAR archive.

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.34% probability · 27th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-30
Source
security-alert@hpe.com
EPSS trend
0%3%5%15 October 2026: 0.48%26 October 2026: 0.34%15 October 202626 October 2026

EPSS moved from 0.5% on 15 October 2026 to 0.3% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.