How severe is CVE-2026-1836?

CVE-2026-1836 has a CVSS 4.0 base score of 5.3, rated medium severity.

Is CVE-2026-1836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-1836?

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

Does CVE-2026-1836 have an EU (EUVD) identifier?

Yes. CVE-2026-1836 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36424.

When was CVE-2026-1836 published?

CVE-2026-1836 was published on 2026-06-12 and last updated on 2026-06-17.

CVE-2026-1836

CVE-2026-1836 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.3. 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-257.

Key facts

Severity: Medium (CVSS 4.0 base score 5.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36424
Weakness: CWE-257
Published: 2026-06-12
Last modified: 2026-06-17

Description

The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials.

Frequently asked questions

What is CVE-2026-1836?: The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials.
How severe is CVE-2026-1836?: CVE-2026-1836 has a CVSS 4.0 base score of 5.3, rated medium severity.
Is CVE-2026-1836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-1836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1836 have an EU (EUVD) identifier?: Yes. CVE-2026-1836 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36424.
When was CVE-2026-1836 published?: CVE-2026-1836 was published on 2026-06-12 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/stored-credentials-redmine

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