Path Traversal in Lakefs
CVE-2026-26187
lakeFS is an open-source tool that transforms object storage into a Git-like repositories. Prior to 1.77.0, the local block adapter (pkg/block/local/adapter.go) allows authenticated users to read and write files outside their designated st…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.004 (30.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Lakefs
- Treeverse Lakefs — versions < 1.77.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-26187?
- CVE-2026-26187 is a high-severity vulnerability in Lakefs, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-02-13.
- How severe is CVE-2026-26187?
- High severity. CVSS v3 base score is 8.1 out of 10.