Vuln Signal Radar
public-safe defensive signal
Agent JSON
HIGHpublic-safe

CVE-2026-86542

NVD: knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers to write files outside the imports directory. NVD: Attackers can supply traversal sequences in the name parameter to escape the imports directory and overwrite arbitrary files writable by the server process. OSV: knowns before 0.30.0 Path Traversal via Import Name

CVSS
8.8 Severity
HIGH EPSS
0.0047 (39) KEV
-

Source-published summary

NVD: knowns before 0.30.0 fails to validate import names in the import routes, allowing unauthenticated attackers to write files outside the imports directory. NVD: Attackers can supply traversal sequences in the name parameter to escape the imports directory and overwrite arbitrary files writable by the server process. OSV: knowns before 0.30.0 Path Traversal via Import Name

Possible impact

Source describes path traversal review · remote exposure · authenticated boundary. Possible impact: A remote attacker may be able to reach files outside the intended application path.

Affected context

Affected product or version requires source confirmation.

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes path traversal review · remote exposure · authenticated boundary. Possible impact: A remote attacker may be able to reach files outside the intended application path.; CVSS 8.8 (HIGH); EPSS percentile 39; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD, OSV.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

remote exposure

Impact tags

path traversal reviewremote exposure relevantauthenticated boundary review

Urgency reasons

CVSS HIGHvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD / OSV description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Handoff JSON Handoff Markdown Safe Codex prompt

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references