How severe is CVE-2026-9646?

CVE-2026-9646 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-9646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9646?

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

Does CVE-2026-9646 have an EU (EUVD) identifier?

Yes. CVE-2026-9646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33029.

When was CVE-2026-9646 published?

CVE-2026-9646 was published on 2026-05-28 and last updated on 2026-06-17.

CVE-2026-9646

CVE-2026-9646 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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-80.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33029
Weakness: CWE-80
Published: 2026-05-28
Last modified: 2026-06-17

Description

A reflected cross-site scripting issue exists in URL handling.

Frequently asked questions

What is CVE-2026-9646?: A reflected cross-site scripting issue exists in URL handling.
How severe is CVE-2026-9646?: CVE-2026-9646 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-9646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9646?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9646 have an EU (EUVD) identifier?: Yes. CVE-2026-9646 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33029.
When was CVE-2026-9646 published?: CVE-2026-9646 was published on 2026-05-28 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2026-46

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