How severe is CVE-2026-1203?

CVE-2026-1203 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1203?

CVE-2026-1203 affects Crmeb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1203 have an EU (EUVD) identifier?

Yes. CVE-2026-1203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3485.

When was CVE-2026-1203 published?

CVE-2026-1203 was published on 2026-01-20 and last updated on 2026-06-17.

CVE-2026-1203

CVE-2026-1203 is a medium-severity vulnerability in Crmeb with a CVSS 3.x base score of 5.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
CVSS v2: 5.1
CVSS v4: 2.9
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3485
Weakness: CWE-287
Affected product: Crmeb
Published: 2026-01-20
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-1203?: 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.
How severe is CVE-2026-1203?: CVE-2026-1203 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1203?: CVE-2026-1203 affects Crmeb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1203 have an EU (EUVD) identifier?: Yes. CVE-2026-1203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3485.
When was CVE-2026-1203 published?: CVE-2026-1203 was published on 2026-01-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:*

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