How severe is CVE-2026-9591?

CVE-2026-9591 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2026-9591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9591?

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

Does CVE-2026-9591 have an EU (EUVD) identifier?

Yes. CVE-2026-9591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37710.

When was CVE-2026-9591 published?

CVE-2026-9591 was published on 2026-06-17 and last updated on 2026-06-18.

CVE-2026-9591

CVE-2026-9591 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. 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-352.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37710
Weakness: CWE-352
Published: 2026-06-17
Last modified: 2026-06-18

Description

Cross-site request forgery (CSRF) in NewsItemApiController in SimplCommerce prior to commit 6233d73e allows an unauthenticated remote attacker to create or modify news items as an administrator via a crafted form submitted to `/api/news-items`, due to missing anti-CSRF protection.

Frequently asked questions

What is CVE-2026-9591?: Cross-site request forgery (CSRF) in NewsItemApiController in SimplCommerce prior to commit 6233d73e allows an unauthenticated remote attacker to create or modify news items as an administrator via a crafted form submitted to `/api/news-items`, due to missing anti-CSRF protection.
How severe is CVE-2026-9591?: CVE-2026-9591 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2026-9591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9591 have an EU (EUVD) identifier?: Yes. CVE-2026-9591 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37710.
When was CVE-2026-9591 published?: CVE-2026-9591 was published on 2026-06-17 and last updated on 2026-06-18.

References

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