CVE-2025-27100 An authenticated user can crash lakeFS by exhausting server memory
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2025-27100?
CVE-2025-27100 is a medium-severity vulnerability in treeverse lakeFS, published on 21 Feb 2025.
Official 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.
Weakness: CWE-400
Which versions are affected by CVE-2025-27100?
3 open source packages ship an affected version, including github.com/treeverse/lakefs.
| Package | Affected | Fixed in |
|---|---|---|
github.com/treeverse/lakefs Go | All versions | 1.50.0 |
github.com/treeverse/lakefs Go | All versions | 1.50.0 |
github.com/treeverse/lakefs Go | All versions | 1.50.0 |
How do I fix CVE-2025-27100?
Upgrade github.com/treeverse/lakefs to 1.50.0 or later.
Is CVE-2025-27100 being exploited?
There is no known exploitation of CVE-2025-27100 in the wild and no public exploit code.
Sources
Also known as GHSA-j7jw-28jm-whr6, GO-2025-3479.