CVE-2023-40826

Exp

An issue in pf4j pf4j v.3.9.0 and before allows a remote attacker to obtain sensitive information and execute arbitrary code via the zippluginPath parameter.

Published: 2023-08-28 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-40826 is rated High Exploit Risk (67.2/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.14%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-40826

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-40826

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.81% 1.14% +0.33%
2 2026-05-23 0.66% 0.81% +0.14%
3 2025-11-21 — 0.66% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-40826

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-40826

GitHub Security Advisory for CVE-2023-40826

GHSA-3r28-rgp9-qgv4 · Severity: high · Ecosystem: maven — pf4j vulnerable to remote code execution via the zippluginPath parameter

OS Trackers for CVE-2023-40826

vendor priority summary link
debian not yet assigned CVE-2023-40826 not yet assigned priority: Debian including 1 source packages (libpf4j-java), 3 status rows across 3 suites (bookworm, sid, trixie): resolved 2, open 1. https://security-tracker.debian.org/tracker/CVE-2023-40826
ubuntu medium CVE-2023-40826 medium priority: Ubuntu including 1 source packages (libpf4j-java), 12 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 7, needs-triage 4, DNE 1. https://ubuntu.com/security/CVE-2023-40826

Affected software / configurations for CVE-2023-40826

Vendor Product Version Raw CPE
pf4j_project pf4j <= 3.9.0 cpe:2.3:a:pf4j_project:pf4j:*:*:*:*:*:*:*:*

References for CVE-2023-40826

URL Tags
https://github.com/pf4j/pf4j/issues/536 Exploit Issue Tracking Vendor Advisory
cvelogic Threat Intelligence