WuKongOpenSource WukongCRM URL PermissionServiceImpl.java improper authorization

published 2026-02-08 9 mo ago modified 2026-07-14 3 mo ago also EUVD-2026-5807

cvss: 6.3; 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 35%
public exploits: 0; none known

A security flaw has been discovered in WuKongOpenSource WukongCRM up to 11.3.3. This affects an unknown part of the file gateway/src/main/java/com/kakarote/gateway/service/impl/PermissionServiceImpl.java of the component URL Handler. Performing a manipulation results in improper authorization. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Patch / fix

distros 1

python-pyasn1 openSUSE Tumbleweed 0.6.2-1.1

opensuse advisories openSUSE-SU-2026:10078-1

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-10)

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/SourByte05/SourByte-Lab/issues/8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

WuKongOpenSource WukongCRM

Classification

Weakness

CWE-285 Improper Authorization
CWE-266 Incorrect Privilege Assignment
CWE-863 Incorrect Authorization

References

github.com /SourByte05/SourByte-Lab/issues/8
exploit, issue-tracking, third-party-advisory
vuldb.com /?id.344776
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.344776
signature, permissions-required, vdb-entry
vuldb.com /?submit.747264
third-party-advisory, vdb-entry

Sources

CVE List CVE-2026-2141
NVD CVE-2026-2141

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