CVE-2026-1203

low-risk
Published 2026-01-20

A weakness has been identified in CRMEB up to 5.6.3. The impacted element is the function remoteRegister of the file crmeb/app/services/user/LoginServices.php of the component JSON Token Handler. Executing a manipulation of the argument uid can lead to improper authentication. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.6/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Crmeb

References (4)

Exploit https://github.com/foeCat/CVE/blob/main/CRMEB/jwt_auth_bypass/remote_register_jw...
Permissions Required https://vuldb.com/?ctiid.341789
Third Party Advisory https://vuldb.com/?id.341789
Third Party Advisory https://vuldb.com/?submit.735349
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal