How severe is CVE-2026-36758?

CVE-2026-36758 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-36758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-36758?

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

Does CVE-2026-36758 have an EU (EUVD) identifier?

Yes. CVE-2026-36758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26384.

When was CVE-2026-36758 published?

CVE-2026-36758 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-36758

CVE-2026-36758 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26384
Weakness: CWE-918
Published: 2026-04-30
Last modified: 2026-06-17

Description

A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.

Frequently asked questions

What is CVE-2026-36758?: A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.
How severe is CVE-2026-36758?: CVE-2026-36758 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-36758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-36758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-36758 have an EU (EUVD) identifier?: Yes. CVE-2026-36758 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26384.
When was CVE-2026-36758 published?: CVE-2026-36758 was published on 2026-04-30 and last updated on 2026-06-17.

References

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