CVE-2026-1203HIGH 8.1EPSS p48.4%

CVE-2026-1203CVE-2026-1203

Description

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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.70% probability of exploitation · percentile 48.4% · 2026-06-19T12:03:05Z
Published2026-01-20
Last modified2026-04-29

Underlying weaknesses· 1

CWE-287

References

  1. https://github.com/foeCat/CVE/blob/main/CRMEB/jwt_auth_bypass/remote_register_jwt_bypass.md
  2. https://vuldb.com/?ctiid.341789
  3. https://vuldb.com/?id.341789
  4. https://vuldb.com/?submit.735349

1

TypeTargetConfidenceTier
WeaknessImproper Authenticationcwe-2870%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.