How severe is CVE-2026-5808?

CVE-2026-5808 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-2026-5808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5808?

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

Does CVE-2026-5808 have an EU (EUVD) identifier?

Yes. CVE-2026-5808 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20785.

When was CVE-2026-5808 published?

CVE-2026-5808 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-5808

CVE-2026-5808 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: 5.3
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20785
Weakness: CWE-79
Published: 2026-04-08
Last modified: 2026-06-17

Description

A vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. This impacts an unknown function of the file apps/dashboard/src/app/(dashboard)/onboarding/client.tsx of the component Onboarding Endpoint. The manipulation of the argument callbackURL results in cross site scripting. The attack may be launched remotely. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The patch is identified as 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb. It is advisable to implement a patch to correct this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Frequently asked questions

What is CVE-2026-5808?: A vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. This impacts an unknown function of the file apps/dashboard/src/app/(dashboard)/onboarding/client.tsx of the component Onboarding Endpoint. The manipulation of the argument callbackURL results in cross site scripting. The attack may be launched remotely. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The patch is identified as 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb. It is advisable to implement a patch to correct this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
How severe is CVE-2026-5808?: CVE-2026-5808 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-2026-5808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5808?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5808 have an EU (EUVD) identifier?: Yes. CVE-2026-5808 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20785.
When was CVE-2026-5808 published?: CVE-2026-5808 was published on 2026-04-08 and last updated on 2026-06-17.

References

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