How severe is CVE-2026-40549?

CVE-2026-40549 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2026-40549 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-40549?

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

Does CVE-2026-40549 have an EU (EUVD) identifier?

Yes. CVE-2026-40549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33615.

When was CVE-2026-40549 published?

CVE-2026-40549 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-40549

CVE-2026-40549 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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-352.

Key facts

Severity: Medium (CVSS 4.0 base score 5.1)
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33615
Weakness: CWE-352
Published: 2026-06-01
Last modified: 2026-06-17

Description

SOPlanning is vulnerable to Cross‑Site Request Forgery (CSRF) in groupe_save create, modify and delete endpoints. An attacker can craft a malicious website that, when visited by an authenticated user, automatically sends a forged GET or POST request to the application. This issue affects SOPlanning version 1.55 and below.

Frequently asked questions

What is CVE-2026-40549?: SOPlanning is vulnerable to Cross‑Site Request Forgery (CSRF) in groupe_save create, modify and delete endpoints. An attacker can craft a malicious website that, when visited by an authenticated user, automatically sends a forged GET or POST request to the application. This issue affects SOPlanning version 1.55 and below.
How severe is CVE-2026-40549?: CVE-2026-40549 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2026-40549 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-40549?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-40549 have an EU (EUVD) identifier?: Yes. CVE-2026-40549 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33615.
When was CVE-2026-40549 published?: CVE-2026-40549 was published on 2026-06-01 and last updated on 2026-06-17.

References

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