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Back to active CVEs
Medium · CVSS 5.9CVE-2026-123619

Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter PathsCVE-2026-123619

Answer in brief

CVE-2026-123619 records a Medium severity (CVSS 5.9) vulnerability in Lektor through 3.3.14 and 3.4.0b15 Path Traversal via Admin API Drive-Letter Paths. The current sources do not mark it as known exploited. The current feed maps lektor/lektor (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 6, 2026Updated Nov 6, 2026Source checked Nov 6, 2026First seen by HOL Nov 6, 2026Material review Nov 6, 2026
Upstream Advisory

Record context

Vulnerability class
Path Traversal
EPSS
Not reported
CWE IDs
CWE-36
Source
CVE List V5
Source checked
Nov 6, 2026
References
7 linked sources
Open source record

Key facts

Risk
Medium · CVSS 5.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 5.9. 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 lektor/lektor (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
lektor/lektorgeneric>=0 <=3.3.14 || >=3.4.0b1 <=3.4.0b15Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for lektor/lektor.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 6, 2026

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

  2. Source modified

    Nov 6, 2026

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

  3. First seen by HOL

    Nov 6, 2026

Sources and claim methodology

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

Lektor through 3.3.14 and 3.4.0b15 contains an absolute path traversal vulnerability in the admin API on Windows that allows attackers to escape the project directory by supplying drive-letter paths that cleanup_path does not normalise. Attackers can use a malicious web page with cross-site requests or DNS rebinding against the unauthenticated local server to recursively delete directories via deleterecord or write attacker-controlled files via newattachment.

Quoted source text, attributed separately from HOL analysis.