What is CVE-2025-27100?

CVE-2025-27100 is a medium-severity vulnerability in Treeverse Lakefs, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-02-21.

How severe is CVE-2025-27100?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Treeverse Lakefs

CVE-2025-27100

lakeFS is an open-source tool that transforms your object storage into a Git-like repository. In affected versions an authenticated user can crash lakeFS by exhausting server memory. This is an authenticated denial-of-service issue. This problem has been patched in version 1.50.0. Users on versions 1.49.1 and below are affected. Users are advised to upgrade. Users unable to upgrade should either set the environment variable `LAKEFS_BLOCKSTORE_S3_DISABLE_PRE_SIGNED_MULTIPART` to `true` or configure the `disable_pre_signed_multipart` key to true in their config yaml.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.004 (35.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Treeverse Lakefs — versions < 1.50.0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-27100?: CVE-2025-27100 is a medium-severity vulnerability in Treeverse Lakefs, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2025-02-21.
How severe is CVE-2025-27100?: Medium severity. CVSS v3 base score is 6.5 out of 10.