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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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385 advisories

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Concurrent Ruby : `AtomicReference#update` livelocks when the stored value is `Float::NAN` High
CVE-2026-54904 was published for concurrent-ruby (RubyGems) Jun 19, 2026
pranjalithakur Credited to pranjalithakur and EchoTydes EchoTydes EchoTydes
Savon::Model evaluates WSDL operation names as Ruby source High
CVE-2026-53510 was published for savon (RubyGems) Jul 31, 2026
connorshea Credited to connorshea
MCP Ruby SDK: Ruby SSE Session Poisoning High
CVE-2026-67431 was published for mcp (RubyGems) Jul 30, 2026
srikanthramu Credited to srikanthramu
MCP Ruby SDK: Unbounded JSON-RPC request body causes uncontrolled memory allocation in StreamableHTTPTransport High
CVE-2026-67432 was published for mcp (RubyGems) Jul 30, 2026
hewei-gikaku Credited to hewei-gikaku
OAuth2::Client#request: Protocol-relative redirect Location overrides authority, leaking bearer Authorization to attacker host High
CVE-2026-54603 was published for oauth2 (RubyGems) Jul 28, 2026
tonghuaroot Credited to tonghuaroot and pboling pboling pboling
OAuth: Cross-origin token-request redirects can expose signed request metadata High
CVE-2026-54605 was published for oauth (RubyGems) Jul 28, 2026
pboling Credited to pboling
websocket-driver-ruby: Denial of service via malformed Host header High
CVE-2026-61666 was published for websocket-driver (RubyGems) Jul 21, 2026
pranjalithakur Credited to pranjalithakur
dd-trace-rb: Improper parsing of W3C baggage headers may lead to DoS High
CVE-2026-50276 was published for datadog (RubyGems) Jul 15, 2026
ViewComponent: around_render HTML-Safety Bypass High
CVE-2026-54498 was published for view_component (RubyGems) Jul 15, 2026
cyberlanc3r Credited to cyberlanc3r
Decidim: JWT-backed authentication can be replayed across organizations High
CVE-2026-45414 was published for decidim (RubyGems) Jul 13, 2026
Decidim: Verification documents can be downloaded through reusable links High
CVE-2026-45378 was published for decidim-verifications (RubyGems) Jul 13, 2026
andreslucena Credited to andreslucena
Ruby CSS Parser: SSRF and Local File Disclosure in `CssParser::Parser#read_remote_file` High
CVE-2026-53727 was published for css_parser (RubyGems) Jul 9, 2026
JLLeitschuh Credited to JLLeitschuh
pay-rails/pay: non-constant-time HMAC comparison in Paddle Billing webhook signature verifier High
GHSA-mjgf-xj26-9qf9 was published for pay (RubyGems) Jul 1, 2026
tonghuaroot Credited to tonghuaroot
Faraday: Uncontrolled recursion in NestedParamsEncoder allows stack exhaustion DoS via deeply nested query parameters High
CVE-2026-54297 was published for faraday (RubyGems) Jun 19, 2026
kocaemre Credited to kocaemre, G-Rath, iBotPeaches, Starfox64, sfriedman-cape, and maikelvdh G-Rath G-Rath
iBotPeaches iBotPeaches Starfox64 Starfox64 sfriedman-cape sfriedman-cape maikelvdh maikelvdh
Fluentd is Vulnerable to Server-Side Request Forgery (SSRF) via Placeholder Expansion in `out_http` High
CVE-2026-44161 was published for fluentd (RubyGems) Jun 26, 2026
everping Credited to everping
Fluentd is Vulnerable to Denial of Service (DoS) via Gzip Decompression Bomb in `in_http` and `in_forward` High
CVE-2026-44160 was published for fluentd (RubyGems) Jun 26, 2026
everping Credited to everping
Fluentd is Vulnerable to Exposure of Sensitive Information via Monitor Agent API High
CVE-2026-44025 was published for fluentd (RubyGems) Jun 26, 2026
everping Credited to everping
Oj: Integer Overflow in Oj.load 2GB String Handling High
CVE-2026-54903 was published for oj (RubyGems) Jun 19, 2026
Oj: Use-After-Free in Oj::Parser SAJ Long Key Callback High
CVE-2026-54902 was published for oj (RubyGems) Jun 19, 2026
Oj: Use-After-Free in Oj::Parser array_class/hash_class GC Marking High
CVE-2026-54901 was published for oj (RubyGems) Jun 19, 2026
Oj: Negative-Size memcpy in Oj::Parser create_id Attribute Handling High
CVE-2026-54900 was published for oj (RubyGems) Jun 19, 2026
Oj: Use-After-Free in Oj::Parser SAJ Callback via Input Mutation High
CVE-2026-54898 was published for oj (RubyGems) Jun 19, 2026
Oj: Use-After-Free in Oj::Doc Iterators via Reentrant Close High
CVE-2026-54897 was published for oj (RubyGems) Jun 19, 2026
Oj: Heap Buffer Overflow in Oj.dump Exception Serialization via Large Indent High
CVE-2026-54896 was published for oj (RubyGems) Jun 19, 2026
Oj: Stack Buffer Overflow in Oj::Doc#each_child via Deeply Nested Input High
CVE-2026-54592 was published for oj (RubyGems) Jun 19, 2026
7a6163 Credited to 7a6163
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