CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Free accounts get a daily email of the CVEs that match up to 3 of their products on My program; subscribers get each one the moment it is published. Where the data comes from: sources.

Updated under an hour ago (Oct 30, 2026, 1:23 AM ET)

What this means for you

This week: 3,356 CVEs published, 233 critical, and 2 newly confirmed exploited. Add your stack to see whether any of them hit you.

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Start free and add your stackFree account, 3 products This week's critical CVEs Exploited in the last 30 days

Published in the last 7 days: 3,356; Show in the list
Critical, last 7 days: 233; Show in the list
Healthcare-tagged, last 7 days: 5; Show in the list
Known exploited (CISA KEV): 1,764; Show in the list

Showing CVEs that name the product rack:rack. Show all products

22 CVEs

Showing 1 to 10.

CVE	Severity	Title	Published
CVE-2023-27530	High 7.5	A DoS vulnerability exists in Rack <v3.0.4.2, <v2.2.6.3, <v2.1.4.3 and <v2.0.9.3 within in the Multipart MIME parsing code in which could allow an attacker to craft requests that can be abuse to caus…	Mar 10, 2023
CVE-2025-59830	High 7.5	Rack QueryParser has an unsafe default allowing params_limit bypass via semicolon-separated parameters Assigned by GitHub_M	Sep 25, 2025
CVE-2025-61770	High 7.5	Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion) Assigned by GitHub_M	Oct 7, 2025
CVE-2025-61771	High 7.5	Rack's multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion) Assigned by GitHub_M	Oct 7, 2025
CVE-2025-61772	High 7.5	Rack's multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion) Assigned by GitHub_M	Oct 7, 2025
CVE-2025-61780	Medium 5.8	Rack has Possible Information Disclosure Vulnerability Assigned by GitHub_M	Oct 10, 2025
CVE-2025-61919	High 7.5	Rack is vulnerable to a memory-exhaustion DoS through unbounded URL-encoded body parsing Assigned by GitHub_M	Oct 10, 2025
CVE-2026-22860	High 7.5	Rack has a Directory Traversal via Rack:Directory Assigned by GitHub_M	Feb 18, 2026
CVE-2026-25500	Medium 5.4	Rack's Stored XSS in Rack::Directory via javascript: filenames rendered into anchor href Assigned by GitHub_M	Feb 18, 2026
CVE-2026-34230	Medium 5.3	Rack: Quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header Assigned by GitHub_M	Apr 2, 2026

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.