A deserialization vulnerability in the destruct() function of Laravel v8.5.9 allows attackers to execute arbitrary commands.

published 2023-04-18 3 y ago modified 2026-06-17 4 mo ago also BIT-laravel-2021-28254 , EUVD-2021-14943

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.3%; EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits: 0; none known

Patch / fix

fixed in 1

bitnami laravel 8.5.10

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: total
Assessed: 20 mo ago (2025-02-12)

Exploit prediction

1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

s1mple-top.github.io https://s1mple-top.github.io/2021/03/09/Laravel8-new-pop-chain-mining-process/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
OSV	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
bitnami	laravel	>=8.5.9, <8.5.10	8.5.10

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

s1mple-top.github.io /2021/03/09/Laravel8-new-pop-chain-mining-process/
exploit, third-party-advisory, web
nvd.nist.gov /vuln/detail/CVE-2021-28254
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary