CVE-2026-67185

TinyWeb 0.0.8 Path Traversal via URL Path Component

HIGH
7.5
CVSS Score
Published: July 28, 2026 at 04:30 PM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorTinyWeb

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Severity
HIGH7.5
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

TinyWeb through 0.0.8 contains a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files by submitting ../ sequences in the URL path, which are concatenated directly to the configured web root in HttpBuilder::buildResponse() without normalization, dot-segment removal, or boundary checks. Attackers can craft a single request with ../ sequences that pass through the URL parser unchanged and reach the filesystem call via HttpFile::setFile(), exposing sensitive files such as credential stores and private keys when the server process runs as root.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0.0.80b3b5fdb5a058f50248cd8547824936b8dd10351

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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