CVE-2026-92791Uber Kraken through 0.1.29 Path Traversal via tag parameter
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Uber Kraken through 0.1.29 fails to validate the tag parameter in the /tags/{tag} endpoint, allowing unauthenticated attackers to traverse outside the configured storage root. Attackers can use percent-encoded parent-directory segments in the tag parameter to read arbitrary files accessible to the testfs backend process.
- CVSS
- 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 21, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
uber kraken uber:kraken (from the name) | through 0.1.29 | CNA record |
References
- https://github.com/uber/kraken/issues/645issue-tracking
- https://github.com/uber/krakenproduct
- https://github.com/uber/kraken/blob/v0.1.27/lib/backend/namepath/pather.go#L78-L84technical-description
- https://github.com/uber/kraken/blob/v0.1.27/lib/backend/testfs/server.go#L165-L173technical-description
- https://github.com/uber/kraken/blob/v0.1.27/build-index/tagserver/server.go#L128-L129technical-description
- https://www.vulncheck.com/advisories/uber-kraken-through-0.1.29-path-traversal-via-tag-parameterthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.