onyx --cves cve-2026-5271

CVE-2026-5271

score: 0.2
cvss: 7.8
epss: 0.2%
published: 2026-04-01
kev added: —
first seen: 2026-10-21

pymanager contains a module shadowing vulnerability caused by inclusion of the current working directory in sys.path, letting attackers cause module shadowing, exploit requires attacker to place malicious modules in the current directory.

Timeline

How this CVE moved toward exploitation. Chart: last 30 days — trend score, EPSS, community mentions per day; hover the event lane.

2026-04-01 Published
2026-10-21 Tracked by Onyx
2026-10-21 Public PoC

Exploit availability

Public PoC flagged by vulnx; no direct exploit link among the citations.

Weaknesses

CWE-427

References 2

https://github.com/python/pymanager/security/advisories/GHSA-jr5x-hgm4-rrm6
http://www.openwall.com/lists/oss-security/2026/04/01/5