How severe is CVE-2025-27912?

CVE-2025-27912 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-27912 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27912?

CVE-2025-27912 affects Datalust Seq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27912?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-27912 have an EU (EUVD) identifier?

Yes. CVE-2025-27912 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7820.

When was CVE-2025-27912 published?

CVE-2025-27912 was published on 2025-03-11 and last updated on 2026-06-17.

CVE-2025-27912

CVE-2025-27912 is a high-severity vulnerability in Datalust Seq with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7820
Weakness: CWE-352
Affected product: Datalust Seq
Published: 2025-03-11
Last modified: 2026-06-17

Description

An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.

Frequently asked questions

What is CVE-2025-27912?: An issue was discovered in Datalust Seq before 2024.3.13545. Missing Content-Type validation can lead to CSRF when (1) Entra ID or OpenID Connect authentication is in use and a user visits a compromised/malicious site, or (2) when username/password or Active Directory authentication is in use and a user visits a compromised/malicious site under the same effective top-level domain as the Seq server. Exploitation of the vulnerability allows the attacker to conduct impersonation attacks and perform actions in Seq on behalf of the targeted user.
How severe is CVE-2025-27912?: CVE-2025-27912 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-27912 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27912?: CVE-2025-27912 affects Datalust Seq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27912?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-27912 have an EU (EUVD) identifier?: Yes. CVE-2025-27912 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7820.
When was CVE-2025-27912 published?: CVE-2025-27912 was published on 2025-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:datalust:seq:*:*:*:*:*:*:*:*

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