crmeb crmeb_java base64 Qrcode Endpoint RestTemplateUtil.java RestTemplate.getForEntity server-side request forgery

published 2026-06-03 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-34182

cvss: 7.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits: 0; none known

A vulnerability was found in crmeb crmeb_java 1.4. Affected is the function RestTemplate.getForEntity of the file crmeb-common/src/main/java/com/zbkj/common/utils/RestTemplateUtil.java of the component base64 Qrcode Endpoint. The manipulation of the argument url results in server-side request forgery. The attack can be executed remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 5 mo ago (2026-06-04)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/crmeb/crmeb_java/issues/35 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	5.5	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

crmeb crmeb_java

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

github.com /crmeb/crmeb_java/issues/35
exploit, issue-tracking
vuldb.com /vuln/368137
vdb-entry, technical-description
vuldb.com /vuln/368137/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-10771
third-party-advisory
vuldb.com /submit/831421
third-party-advisory
github.com /crmeb/crmeb_java/
product

Sources

CVE List CVE-2026-10771
NVD CVE-2026-10771

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