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  4. CVE 2026 122136 powerlevel10k before 12019 symlink following via
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Back to active CVEs
Medium · CVSS 4.1CVE-2026-122136

Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary FileCVE-2026-122136

Answer in brief

CVE-2026-122136 records a Medium severity (CVSS 4.1) vulnerability in Powerlevel10k before 1.20.19 Symlink Following via Instant Prompt Temporary File. The current sources do not mark it as known exploited. The current feed maps romkatv/powerlevel10k (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 4, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Nov 4, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 4.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps romkatv/powerlevel10k (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
romkatv/powerlevel10kgeneric>=0 <1.20.191.20.19

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for romkatv/powerlevel10k.
  2. 2Review the reported fix. Update romkatv/powerlevel10k to 1.20.19 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 4, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 4, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

Powerlevel10k before 1.20.19 contains a symlink following vulnerability in _p9k_dump_instant_prompt that allows local attackers to overwrite victim-writable files via a predictable temporary path. Attackers can pre-plant symlinks at p10k-instant-prompt-output-<user>-<pid> in TMPDIR, guessing the victim's shell PID, so shell startup truncates and overwrites targeted files.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • nvm use --save and nvm install --save write through a symlinked .nvmrc, overwriting any file the user can writeAlso CWE-59
  • nvm prints the contents of any readable file through a symlinked .nvmrcAlso CWE-59
  • Jan 0.8.5 before 0.8.8 Workspace Guard Bypass via Dangling SymlinkAlso CWE-59

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-59
Source
CVE List V5
Source checked
Nov 4, 2026
References
5 linked sources
Open source record