CVE-2025-27912: An issue was discovered in Datalust Seq before 2024.3.13545

Q: How do I fix CVE-2025-27912?

seq: upgrade to 2024.3.13545. Exact commands for each OS are on this page.

Q: Is CVE-2025-27912 being exploited?

CVE-2025-27912 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-27912 affect?

CVE-2025-27912 affects seq. Severity is high (CVSS 8.8). 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/

Routine

HIGH 8.8UPGRADE

CVE-2025-27912 is a high-severity flaw (CVSS 8.8) affecting seq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 att

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-352
Published	2025-03-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: datalust

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-03-11 08:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

datalust seq UPGRADE

Affected: < 2024.3.13545

Fixed in: 2024.3.13545

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy seq || rpm -q seq || seq --version

2. UPGRADE to 2024.3.13545 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade seq

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade seq

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-27912?

seq: upgrade to 2024.3.13545. Exact commands for each OS are on this page.

Is CVE-2025-27912 being exploited?

CVE-2025-27912 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-27912 affect?

CVE-2025-27912 affects seq. Severity is high (CVSS 8.8). 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/

How urgent is CVE-2025-27912?

Priority 33/100. High severity

Software pages

Active Directory vulnerabilities

Related CVEs

CVE-2025-27911 MEDIUM 6.5 UPGRADE An issue was discovered in Datalust Seq before 2024.3.13545
CVE-2024-58102 MEDIUM 5.7 UPGRADE An issue was discovered in Datalust Seq before 2024.3.13545

References

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