HIGHVulnerability

CVE-2026-86538

knowns versions before 0.30.0 contain a path traversal vulnerability in the POST /api/templates/preview endpoint that allows unauthenticated attackers to read arbitrary files. Attackers can supply directory traversal sequences in the templateFile parameter to bypass path restrictions and read sensitive files like credentials and configuration through the JSON response.

Properties

severity
HIGH
score
7.5
cve_id
CVE-2026-86538
signal_observed_at
2026-09-16T21:37:07+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
published_at
2026-09-07T23:16:53.443
last_modified
2026-09-14T20:17:01.127

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-86538 — Ninja Signal Threat Intelligence | Ninja Signal