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CVE-2026-49234 — Vulnerability in routinator — CVE Details

HIGH

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

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

Summary

When sending a specifically crafted non-UTF-8 string as select-asn query parameter to the /api/v1/origins endpoint, Routinator crashes. This only affects users who allow API access from untrusted networks.

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.

  • CWE-20
    Improper Input ValidationMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 7.5 score means for each attack dimension.

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Frequently Asked Questions

What is CVE-2026-49234?
Routinator crashes when sending a maliciously crafted select-asn query parameter This vulnerability has been assigned a severity rating of HIGH (CVSS score: 7.5/10).
How do I check if my project is affected by CVE-2026-49234?
CVE-2026-49234 affects routinator. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-49234 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
7.5

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-gc6q-cwcj-3vh9

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