onyx

onyx --cves cve-2021-28254

CVE-2021-28254

CRITPOCLaravel
score
<0.1
cvss
9.8
epss
1.3%
published
2023-04-19
kev added
—
first seen

Laravel v8.5.9 contains an insecure deserialization caused by the destruct() function, letting attackers execute arbitrary commands, exploit requires attacker to send malicious serialized data.

Timeline

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

events2023-04-19 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 1.3%2026-09-23: epss 1.3%2026-09-24: epss 1.3%2026-09-25: epss 1.3%2026-09-26: epss 1.3%2026-09-27: epss 1.3%2026-09-28: epss 1.3%2026-09-29: epss 1.3%2026-09-30: epss 1.3%2026-10-01: epss 1.3%2026-10-02: epss 1.3%2026-10-03: epss 1.3%2026-10-04: epss 1.3%2026-10-05: epss 1.3%2026-10-06: epss 1.3%2026-10-07: epss 1.3%2026-10-08: epss 1.3%2026-10-09: epss 1.3%2026-10-10: epss 1.3%2026-10-11: epss 1.3%2026-10-12: epss 1.3%2026-10-13: epss 1.3%2026-10-14: epss 1.3%2026-10-15: epss 1.3%2026-10-16: epss 1.3%2026-10-18: epss 1.3%2026-10-19: epss 1.3%2026-10-20: epss 1.3%2026-10-21: epss 1.3%1.3%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

CWE-502

References 1