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CVE-2026-49233 — Vulnerability in routinator — CVE Details

HIGH

Routinator has cache path traversal when processing the module component of rsync URIs

Published June 8, 2026Updated June 12, 2026Source: osv

Summary

Routinator does not properly check the module component of rsync URIs, which are used to create the file system paths for the Routinator cache. This allows for path traversal by having a module name containing .., potentially providing an attacker access to the entire Routinator rsync cache.

Advisory Timeline

  • First published June 8, 2026 (126 days ago).
  • Last revised June 12, 2026 — 4 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update routinator to 0.15.2 or later
cargo update -p routinator --precise 0.15.2

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
routinator
crates.io
All versions0.15.2

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
—
Confidentiality
—
Integrity
—
Availability
—

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

References

Frequently Asked Questions

What is CVE-2026-49233?
Routinator has cache path traversal when processing the module component of rsync URIs This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.6/10).
How do I check if my project is affected by CVE-2026-49233?
CVE-2026-49233 affects routinator. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-49233 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.6

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-33mj-99mg-8g73

Related CVEs

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    CRITICAL

    NLnet Labs’ Routinator vulnerable to path traversal

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  • CVE-2026-49235
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    Routinator crashes when encountering maliciously crafted RRDP XML files

  • CVE-2026-18140
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    aws-smithy-json: Uncontrolled recursion in the aws-smithy-json unknown-key skip path allows unauthenticated remote denial of service in smithy-rs generated servers

  • CVE-2026-49234
    HIGH

    Routinator crashes when sending a maliciously crafted select-asn query parameter

  • CVE-2022-3029
    HIGH

    NLnet Labs Routinator has Reachable Assertion vulnerability

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