How severe is CVE-2025-27911?

CVE-2025-27911 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-27911 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27911?

CVE-2025-27911 affects Datalust Seq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-27911?

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

Does CVE-2025-27911 have an EU (EUVD) identifier?

Yes. CVE-2025-27911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7819.

When was CVE-2025-27911 published?

CVE-2025-27911 was published on 2025-03-11 and last updated on 2026-06-17.

CVE-2025-27911

CVE-2025-27911 is a medium-severity vulnerability in Datalust Seq with a CVSS 3.x base score of 6.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-7819
Weakness: CWE-770
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. Expansion of identifiers in message templates can be used to bypass the system "Event body limit bytes" setting, leading to increased resource consumption. With sufficiently large events, there can be disk space exhaustion (if saved to disk) or a termination of the server process with an out-of-memory error.

Frequently asked questions

What is CVE-2025-27911?: An issue was discovered in Datalust Seq before 2024.3.13545. Expansion of identifiers in message templates can be used to bypass the system "Event body limit bytes" setting, leading to increased resource consumption. With sufficiently large events, there can be disk space exhaustion (if saved to disk) or a termination of the server process with an out-of-memory error.
How severe is CVE-2025-27911?: CVE-2025-27911 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-27911 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27911?: CVE-2025-27911 affects Datalust Seq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-27911?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27911 have an EU (EUVD) identifier?: Yes. CVE-2025-27911 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7819.
When was CVE-2025-27911 published?: CVE-2025-27911 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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