How severe is CVE-2026-11436?

CVE-2026-11436 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-11436 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11436?

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

Does CVE-2026-11436 have an EU (EUVD) identifier?

Yes. CVE-2026-11436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34971.

When was CVE-2026-11436 published?

CVE-2026-11436 was published on 2026-06-06 and last updated on 2026-06-17.

CVE-2026-11436

CVE-2026-11436 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 2.1
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34971
Weakness: CWE-79
Published: 2026-06-06
Last modified: 2026-06-17

Description

A vulnerability was detected in Mage AI up to 0.9.79. This impacts the function useMutation of the file mage_ai/frontend/components/Sessions/SignForm/index.tsx of the component Sign-in Flow. Performing a manipulation of the argument query.redirect_url results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-11436?: A vulnerability was detected in Mage AI up to 0.9.79. This impacts the function useMutation of the file mage_ai/frontend/components/Sessions/SignForm/index.tsx of the component Sign-in Flow. Performing a manipulation of the argument query.redirect_url results in cross site scripting. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-11436?: CVE-2026-11436 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-11436 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11436?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11436 have an EU (EUVD) identifier?: Yes. CVE-2026-11436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34971.
When was CVE-2026-11436 published?: CVE-2026-11436 was published on 2026-06-06 and last updated on 2026-06-17.

References

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