Dromara Lamp-Cloud Use of Hard-coded Cryptographic Key

published 2023-11-02 3 y ago modified 2026-06-17 4 mo ago also GHSA-xr8c-mq5x-5f56 , EUVD-2023-3064

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

Dromara Lamp-Cloud before v3.8.1 was discovered to use a hardcoded cryptographic key when creating and verifying a Json Web Token. This vulnerability allows attackers to authenticate to the application via a crafted JWT token.

Patch / fix

fixed in 3 links 2

maven top.tangyh.basic:lamp-core 3.8.1
maven top.tangyh.basic:lamp-util 3.8.1
tangyh lamp-cloud 3.8.1

github.com/dromara/lamp-cloud@31f79b1 commit
github.com/dromara/lamp-cloud/issues/183 advisory

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-09-05)

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	top.tangyh.basic:lamp-core	<3.8.1	3.8.1
maven	top.tangyh.basic:lamp-util	<3.8.1	3.8.1

Classification

Weakness

CWE-798 Use of Hard-coded Credentials

References

github.com /dromara/lamp-cloud/issues/183
web, issue-tracking, patch, vendor-advisory
github.com /dromara/lamp-cloud/commit/31f79b122d85ed1b4f354673212692aa8205437a
web
github.com /xubowenW/JWTissues/blob/main/lamp%20issue.md
web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2023-31579
advisory

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