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TI-2026-60300 Aliases CVE-2026-88939GHSA-qwj4-f78f-jj3j

knowns through 0.33.0 Authorization Bypass via project.set Bootstrap Exemption

Priority HIGH 73CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

knowns through 0.33.0 exempts the project.set action from permission guard checks unconditionally, allowing read-only agent sessions to bypass restrictions. Attackers can invoke project.set to repoint the server at another project directory and obtain write access capabilities.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00478 41st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

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-devknownsup to 0.33.0—No fix listedCNA
  • knowns Vendorknowns-dev Affected up to 0.33.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

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

  • Advisory ·

    knowns-dev knowns — GitHub Security Advisory (GHSA-h73x-698r-qrvg)

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2026-60301 knowns through 0.33.0 Arbitrary Directory Enumeration via workspace browse endpointPriority HIGH 70
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-88939
  2. 2026-10-03 Alias added: GHSA-qwj4-f78f-jj3j

References

Advisory 1

Other 2

  • 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
  • TI-2026-59220 knowns before 0.30.0 Unauthenticated Management API Exposure CVSS 4.0CRITICAL 9.3
See all 13 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences