lakeFS allows an authenticated user to cause a crash by exhausting server memory in github.com/treeverse/lakefs
lakeFS allows an authenticated user to cause a crash by exhausting server memory in github.com/treeverse/lakefs
02 / AFFECTED SOFTWARE
Affected packages
248 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
lakeFS allows an authenticated user to cause a crash by exhausting server memory in github.com/treeverse/lakefs
### Impact An authenticated user can crash lakeFS by exhausting server memory. This is an authenticated denial-of-service issue. ### Patches This problem has been patched and exists in versions 1.49.1 and below ### Workarounds On S3 backends, configure ```yaml # ... blockstore: s3: disable_pre_signed_multipart: true ``` or set environment variable `LAKEFS_BLOCKSTORE_S3_DISABLE_PRE_SIGNED_MULTIPART` to `true`. ### References _Are there any links users can visit to find out more?_
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.
05 / REFERENCES
Further evidence
- https://github.com/treeverse/lakeFS/commit/3a625752acdf3f8e137bec20451e71d0f9fa82f2
- https://github.com/treeverse/lakeFS/security/advisories/GHSA-j7jw-28jm-whr6
- https://nvd.nist.gov/vuln/detail/CVE-2025-27100
- https://github.com/treeverse/lakeFS
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27100.json