What’s Vulnerable › Vulnerabilities

CVE-2024-41962: Bostr Improper Authorization

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-01 · updated 2026-06-17
• Weakness: CWE-285

Description

Bostr is an nostr relay aggregator proxy that acts like a regular nostr relay. bostr let everyone in even having authorized_keys being set when noscraper is set to true. This vulnerability is fixed in 3.0.10.

Affected products

• Yonle bostr: before 3.0.10 — fixed in 3.0.10

How to fix

Upgrade to a fixed version: Yonle bostr 3.0.10. Check the vendor advisory for mitigations.

References

• https://github.com/Yonle/bostr/blob/8665374a66e2afb9f92d0414b0d6f420a95d5d2d/auth.js#L21
• https://github.com/Yonle/bostr/commit/49181f4ec9ae1472c6675cab56bbc01e723855af
• https://github.com/Yonle/bostr/releases/tag/3.0.10
• https://github.com/Yonle/bostr/security/advisories/GHSA-5cf7-cxrf-mq73

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