CVE-2025-27100: Github.com/treeverse/lakefs LakeFS Allows An Authenticated User Vulnerability

MODERATE
Advisory Identifier: GHSA-j7jw-28jm-whr6
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CVSS 6.5
CWE-400
Published
Advisory Summary

CVE-2025-27100 is a MODERATE (CVSS 6.5) lakefs allows an authenticated user vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Github.com/treeverse/lakefs libraries in the Go ecosystem. The issue involves lakefs allows an authenticated user to cause a crash by exhausting server memory. Remediation is available by upgrading affected packages to version 1.50.0.

CVE-2025-27100 at a Glance

CVE Identifier CVE-2025-27100
GHSA Identifier GHSA-j7jw-28jm-whr6
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Github.com/treeverse/lakefs
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 6.5

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2025-27100

To remediate this vulnerability, upgrade all affected Github.com/treeverse/lakefs dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/treeverse/lakefs fixed: 1.50.0 
Upgrade github.com/treeverse/lakefs to 1.50.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/treeverse/lakefs

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-27100, inspect your project dependencies for Github.com/treeverse/lakefs:

inspect dependencies for github.com/treeverse/lakefs

Analyze the terminal output to locate any version of Github.com/treeverse/lakefs in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.50.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Github.com/treeverse/lakefs, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### 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?_

CVE-2025-27100 Affected Github.com/treeverse/lakefs Versions

1 component(s)
Fixed Versions:
1.50.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/treeverse/lakefs
golang/github.com/treeverse/lakefs
Go
< 1.50.0
1.50.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/treeverse/lakeFS/security/advisories/GHSA-j7jw-28jm-whr6
NVD — CVE-2025-27100 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-27100
Security Fix Commit FIX COMMIT
https://github.com/treeverse/lakeFS/commit/3a625752acdf3f8e137bec20451e71d0f9fa82f2
Github.com/treeverse/lakefs Source Repository REPOSITORY
https://github.com/treeverse/lakeFS

Frequently Asked Questions

What is CVE-2025-27100?
CVE-2025-27100 is a security vulnerability in Github.com/treeverse/lakefs involving lakeFS allows an authenticated user to cause a crash by exhausting server memory under CWE-400: Uncontrolled Resource Consumption.
Which Github.com/treeverse/lakefs versions are affected?
Affected versions include releases prior to 1.50.0 across affected packages: github.com/treeverse/lakefs.
What version fixes CVE-2025-27100?
Upgrading to 1.50.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/treeverse/lakefs affected?
Yes, github.com/treeverse/lakefs is affected in releases prior to 1.50.0. Upgrade your dependency to 1.50.0 or later.
What is the CVSS score of CVE-2025-27100?
CVE-2025-27100 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2025-27100?
CVE-2025-27100 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Go dependencies for CVE-2025-27100?
Run the dependency tree command: 'inspect dependencies for github.com/treeverse/lakefs'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-j7jw-28jm-whr6",
  "modified" : "2025-02-21T21:43:16Z",
  "published" : "2025-02-21T21:43:16Z",
  "aliases" : [ "CVE-2025-27100" ],
  "summary" : "lakeFS allows an authenticated user to cause a crash by exhausting server memory",
  "details" : "### Impact\n\nAn authenticated user can crash lakeFS by exhausting server memory.  This is an authenticated denial-of-service issue.\n\n### Patches\nThis problem has been patched and exists in versions 1.49.1 and below\n\n### Workarounds\n\nOn S3 backends, configure\n```yaml\n# ...\nblockstore:\n  s3:\n    disable_pre_signed_multipart: true\n```\nor set environment variable `LAKEFS_BLOCKSTORE_S3_DISABLE_PRE_SIGNED_MULTIPART` to `true`.\n\n### References\n_Are there any links users can visit to find out more?_",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/treeverse/lakefs"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.50.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/treeverse/lakeFS/security/advisories/GHSA-j7jw-28jm-whr6"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-27100"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/treeverse/lakeFS/commit/3a625752acdf3f8e137bec20451e71d0f9fa82f2"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/treeverse/lakeFS"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-02-21T21:43:16Z",
    "nvd_published_at" : "2025-02-21T00:15:09Z"
  }
}