CVE-2025-27100

An authenticated user can crash lakeFS by exhausting server memory

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: treeverse lakeFS
Published at:
Updated at:

References

Link Tags
https://github.com/treeverse/lakeFS/security/advisories/GHSA-j7jw-28jm-whr6
https://github.com/treeverse/lakeFS/commit/3a625752acdf3f8e137bec20451e71d0f9fa82f2

Frequently Asked Questions

What is the severity of CVE-2025-27100?
CVE-2025-27100 has been scored as a medium severity vulnerability.
How to fix CVE-2025-27100?
To fix CVE-2025-27100, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-27100 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-27100 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-27100?
CVE-2025-27100 affects treeverse lakeFS.
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