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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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20 advisories

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MCP Ruby SDK: Unbounded session retention in StreamableHTTPTransport allows memory exhaustion via initialize flood Moderate
CVE-2026-67430 was published for mcp (RubyGems) Jul 30, 2026
hewei-gikaku Credited to hewei-gikaku
MCP Ruby SDK: Unbounded line buffer in stdio transports leads to memory exhaustion (DoS) Moderate
CVE-2026-63119 was published for mcp (RubyGems) Jul 30, 2026
tonghuaroot Credited to tonghuaroot
websocket-driver: Memory exhaustion in HTTP header parser Moderate
CVE-2026-54465 was published for websocket-driver (RubyGems) Jul 15, 2026
pranjalithakur Credited to pranjalithakur
websocket-driver: Resource limit bypass via message compression Moderate
CVE-2026-54464 was published for websocket-driver (RubyGems) Jul 15, 2026
pranjalithakur Credited to pranjalithakur
websocket-driver: Memory exhaustion via abuse of protocol length headers Moderate
CVE-2026-54463 was published for websocket-driver (RubyGems) Jul 15, 2026
pranjalithakur Credited to pranjalithakur
fluent-plugin-opentelemetry Has Denial of Service (DoS) via Large Payloads and Decompression Bombs in `in_opentelemetry` Moderate
CVE-2026-44163 was published for fluent-plugin-opentelemetry (RubyGems) Jun 26, 2026
GraphQL-Ruby's Ruby lexer does not count comment tokens for the purposes of max_query_string_tokens Moderate
GHSA-3h96-34p3-xm76 was published for graphql (RubyGems) May 5, 2026
d0cs1s-bzhunt Credited to d0cs1s-bzhunt and rmosolgo rmosolgo rmosolgo
net-imap vulnerable to denial of service via high iteration count for `SCRAM-*` authentication Moderate
CVE-2026-42256 was published for net-imap (RubyGems) May 4, 2026
Masamuneee Credited to Masamuneee
Rack's multipart byte range processing allows denial of service via excessive overlapping ranges Moderate
CVE-2026-34826 was published for rack (RubyGems) Apr 2, 2026
orenyomtov Credited to orenyomtov, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rails Active Support has a possible DoS vulnerability in its number helpers Moderate
CVE-2026-33176 was published for activesupport (RubyGems) Mar 23, 2026
Ruby SAML DOS vulnerability with large SAML response Moderate
CVE-2025-54572 was published for ruby-saml (RubyGems) Jul 30, 2025
Yuuki77 Credited to Yuuki77 and dblessing dblessing dblessing
ReDoS Vulnerability in Rack::Multipart handle_mime_head Moderate
CVE-2025-49007 was published for rack (RubyGems) Jun 5, 2025
net-imap rubygem vulnerable to possible DoS by memory exhaustion Moderate
CVE-2025-43857 was published for net-imap (RubyGems) Apr 28, 2025
Masamuneee Credited to Masamuneee and nevans nevans nevans
CGI has Denial of Service (DoS) potential in Cookie.parse Moderate
CVE-2025-27219 was published for cgi (RubyGems) Mar 3, 2025
Possible DoS by memory exhaustion in net-imap Moderate
CVE-2025-25186 was published for net-imap (RubyGems) Feb 10, 2025
manunio Credited to manunio and nevans nevans nevans
Possible ReDoS vulnerability in query parameter filtering in Action Dispatch Moderate
CVE-2024-41128 was published for actionpack (RubyGems) Oct 15, 2024
REXML DoS vulnerability Moderate
CVE-2024-41946 was published for rexml (RubyGems) Aug 2, 2024
naitoh Credited to naitoh
REXML DoS vulnerability Moderate
CVE-2024-41123 was published for rexml (RubyGems) Aug 1, 2024
A poorly-behaved client could use keepalive requests to monopolize Puma's reactor and create a denial of service attack Moderate
CVE-2019-16770 was published for puma (RubyGems) Dec 5, 2019
Uncontrolled resource consumption in nokogiri Moderate
CVE-2017-18258 was published for nokogiri (RubyGems) Apr 13, 2018
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