HOMEVULNERABILITIESCVE-2026-26187
HIGH

CVE-2026-26187

CWE-22Published: February 13, 2026· Updated: Feb 18, 2026

8.1
CVSS v3.1
EPSS:0.07%probability of exploitation in 30 daysPercentile:20.8th

Official Description

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 storage boundaries. The verifyRelPath function used strings.HasPrefix() to verify that requested paths fall within the configured storage directory. This check was insufficient because it validated only the path prefix without requiring a path separator, allowing access to sibling directories with similar names. Also, the adapter verified that resolved paths stayed within the adapter's base path, but did not verify that object identifiers stayed within their designated storage namespace. This allowed attackers to use path traversal sequences in the object identifier to access files in other namespaces. Fixed in version v1.77.0.

NVD Source

Technical Analysis

CVE-2026-26187 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Affected Vendors & Products

lakefs1 product
lakefs
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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Official Patches & Advisories

All References (3)

Quick Facts

CVE IDCVE-2026-26187
CVSS Score8.1 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
EPSS (30d)0.07%
Affected1 vendor
PublishedFeb 13, 2026

Related CVEs (CWE-22)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-26187 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.