TI-2026-52867 Aliases CVE-2026-75483 GHSA-gcjm-c673-v7vj

powerlevel10k Control Character Injection via package.json Version

LOW 21CWE-150Published 2026-08-17 · Updated 2026-08-20

Key facts

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

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

Summary

powerlevel10k fails to neutralize control characters in the package.json version field when rendering the package prompt segment. Attackers can inject raw escape bytes in the version string to emit arbitrary terminal control sequences on each prompt render when the shell enters affected directories.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00171 6th 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: Partial

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
romkatv	powerlevel10k	up to 1.20.0	—	No fix listed	CNA

powerlevel10k Vendorromkatv Affected up to 1.20.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-75483
2026-10-03 Alias added: GHSA-gcjm-c673-v7vj

References

Patch 1

bug fix: slap (V) on the content of `package` (#2961)

Other 3

TI-2026-71988 Powerlevel10k gitstatus installer skips integrity checks CVSS 4.0HIGH 7.7
TI-2026-85178 Insecure temporary directory in Powerlevel10k gitstatus installer CVSS 4.0MEDIUM 5.4
TI-2026-85177 Symlink following in Powerlevel10k instant prompt temporary file CVSS 4.0MEDIUM 4.1

Sources

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