TI-2026-61923 Aliases CVE-2026-91200 GHSA-67r3-rpfh-8h3r

DevSpace through 6.3.21 Path Traversal via tar extraction

MEDIUM 41CWE-22Published 2026-09-14 · Updated 2026-09-24

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

DevSpace through 6.3.21 fails to reject parent-directory segments in tar entry names from the in-pod sync stream. Attackers operating a malicious container can stream tar entries with traversal sequences to write arbitrary files on the developer workstation, enabling code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00651 51st 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: None
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

Vendor	Product	Affected versions	Fixed in	Status	Source
devspace	devspace	up to 6.3.21	—	No fix listed	CNA

devspace Vendordevspace Affected up to 6.3.21 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-91200
2026-10-03 Alias added: GHSA-67r3-rpfh-8h3r
2026-10-14 EPSS moved to the 50th–90th percentile

References

Other 4

TI-2020-12138 The UI in DevSpace 4.13.0 allows web sites to execute actions on pods (on behalf of a… CVSS 3.1CRITICAL 9.8
TI-2026-30594 DevSpace UI Server WebSocket CheckOrigin does not validate source CVSS 3.1HIGH 7.8

Sources

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