onyx

onyx --cves cve-2022-31626

CVE-2022-31626

HIGHPOCPHP
score
<0.1
cvss
7.5
epss
58.1%
published
2022-06-16
kev added
—
first seen

PHP 7.4.x < 7.4.30, 8.0.x < 8.0.20, and 8.1.x < 8.1.7 contain a remote code execution caused by buffer overflow in pdo_mysql extension with mysqlnd driver when supplied with excessively long password, letting attackers execute arbitrary code remotely, exploit requires attacker to supply long password.

Timeline

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

events2022-06-16 — PublishedP2026-10-21 — Tracked by OnyxT2026-10-21 — Public PoCXscore2026-10-21: score <0.1<0.1epss2026-09-22: epss 58.1%2026-09-23: epss 58.1%2026-09-24: epss 58.1%2026-09-25: epss 58.1%2026-09-26: epss 58.1%2026-09-27: epss 58.1%2026-09-28: epss 58.1%2026-09-29: epss 58.1%2026-09-30: epss 58.1%2026-10-01: epss 58.1%2026-10-02: epss 58.1%2026-10-03: epss 58.1%2026-10-04: epss 58.1%2026-10-05: epss 58.1%2026-10-06: epss 58.1%2026-10-07: epss 58.1%2026-10-08: epss 58.1%2026-10-09: epss 58.1%2026-10-10: epss 58.1%2026-10-11: epss 58.1%2026-10-12: epss 58.1%2026-10-13: epss 58.1%2026-10-14: epss 58.1%2026-10-15: epss 58.1%2026-10-16: epss 58.1%2026-10-18: epss 58.1%2026-10-19: epss 58.1%2026-10-20: epss 58.1%2026-10-21: epss 58.1%58.1%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-120

References 7