JeecgBoot OpenAPI Endpoint call improper authentication

published 2026-05-24 5mo ago modified 2026-07-23 3mo ago also EUVD-2026-31587

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 29%
public exploits: 0; none known

A vulnerability has been found in JeecgBoot 3.9.1. This issue affects some unknown processing of the file /openapi/call/ of the component OpenAPI Endpoint. Such manipulation leads to improper authentication. The attack can be executed remotely. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The vendor was contacted early about this disclosure but did not respond in any way.

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5mo ago (2026-05-26)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R
CNA	3.0	3.7	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:N/I:P/A:N/E:ND/RL:ND/RC:UR
CNA	4.0	6.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:N/I:P/A:N

Affected products

n/a JeecgBoot

Classification

Weakness

CWE-287 Improper Authentication

References

vuldb.com /vuln/365337
vdb-entry
vuldb.com /vuln/365337/cti
signature, permissions-required
vuldb.com /submit/813251
third-party-advisory

Sources

CVE List CVE-2026-9373
NVD CVE-2026-9373

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