onyx

onyx --cves cve-2023-20860

CVE-2023-20860

HIGHPOCSpring Framework
score
<0.1
cvss
7.5
epss
3.5%
published
2023-03-27
kev added
—
first seen

Spring Framework versions 6.0.0 - 6.0.6 and 5.3.0 - 5.3.25 contain a security bypass caused by pattern mismatch in Spring Security's mvcRequestMatcher using '**', letting attackers bypass security, exploit requires use of '**' pattern in security configuration.

Timeline

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

events2023-03-27 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 3.5%2026-09-23: epss 3.5%2026-09-24: epss 3.5%2026-09-25: epss 3.5%2026-09-26: epss 3.5%2026-09-27: epss 3.5%2026-09-28: epss 3.5%2026-09-29: epss 3.5%2026-09-30: epss 3.5%2026-10-01: epss 3.5%2026-10-02: epss 3.5%2026-10-03: epss 3.5%2026-10-04: epss 3.5%2026-10-05: epss 3.5%2026-10-06: epss 3.5%2026-10-07: epss 3.5%2026-10-08: epss 3.5%2026-10-09: epss 3.5%2026-10-10: epss 3.5%2026-10-11: epss 3.5%2026-10-12: epss 3.5%2026-10-13: epss 3.5%2026-10-14: epss 3.5%2026-10-15: epss 3.5%2026-10-16: epss 3.5%2026-10-18: epss 3.5%2026-10-19: epss 3.5%2026-10-20: epss 3.5%2026-10-21: epss 3.5%3.5%mentions/day0no mentions in 30 days2026-09-22today
  1. Published
  2. Tracked by Onyx
  3. Public PoC

Exploit availability

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

Weaknesses

NVD-CWE-noinfo

References 2