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TI-2026-59215 Aliases CVE-2026-86538GHSA-g3m9-72x4-rrgv

knowns before 0.30.0 Path Traversal via templateFile parameter

Priority MEDIUM 46CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read sensitive files like credentials and configuration through the JSON response.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00984 62nd percentileScored 2026-11-07
Fix Fixed knowns (knowns-dev): 0.30.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
knowns-devknownsbefore 0.30.00.30.0Patch availableCNA
  • knowns Vendorknowns-dev Affected before 0.30.0 Fixed in 0.30.0 Patch available CNA

Remediation

  • Fix · CNA knowns (knowns-dev) Fixed in 0.30.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    knowns-dev knowns 0.30.0

    7 records Highest priority Priority HIGH 1 HIGH, 5 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2026-59217 knowns before 0.30.0 Arbitrary Code Execution via LSP BinaryPriority HIGH 72
    • TI-2026-59220 knowns before 0.30.0 Unauthenticated Management API ExposurePriority MEDIUM 50
    • TI-2026-59219 knowns before 0.30.0 Path Traversal via Import NamePriority MEDIUM 45

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-86538
  2. 2026-10-03 Alias added: GHSA-g3m9-72x4-rrgv

References

  • TI-2026-60300 knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemption CVSS 4.0HIGH 8.7
  • TI-2026-60298 knowns through 0.33.0 Path Traversal via Template Engine CVSS 4.0HIGH 8.6
  • TI-2026-59217 knowns before 0.30.0 Arbitrary Code Execution via LSP Binary CVSS 4.0HIGH 8.5
  • TI-2026-60301 knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpoint CVSS 4.0MEDIUM 6.9
  • TI-2026-60299 knowns through 0.33.0 Path Traversal via code.find MCP tool CVSS 4.0HIGH 7.1
  • TI-2026-60283 knowns before 0.31.0 External Control of Agent Working Directory via x-opencode-directory Header CVSS 4.0CRITICAL 9.3
See all 13 →

Sources