What’s Vulnerable › Vulnerabilities

CVE-2022-31110: Denial of Service (DoS) vulnerability in RSSHub

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-29 · updated 2026-06-17
• Weakness: CWE-400

Description

RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values to the `filter` and `filterout` parameters can cause an abnormally high CPU. This results in an impact on the performance of the servers and RSSHub services which may lead to a denial of service. This issue has been fixed in commit 5c4177441417 and all users are advised to upgrade. There are no known workarounds for this issue.

Affected products

• DIYgod RSSHub: before 2022-06-21 — fixed in 2022-06-21

How to fix

Upgrade to a fixed version: DIYgod RSSHub 2022-06-21. Check the vendor advisory for mitigations.

References

• https://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5b
• https://github.com/DIYgod/RSSHub/issues/10045
• https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf
• https://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5b
• https://github.com/DIYgod/RSSHub/issues/10045
• https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf

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