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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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108
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54
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4,475
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1,091
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13
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1,144
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1,510
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264
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3,510
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10

1,144 advisories

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guard-livereload has a directory traversal vulnerability Moderate
CVE-2016-1000305 was published for guard-livereload (RubyGems) Jul 31, 2026
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
Active Storage has possible arbitrary file read and remote code execution in Active Storage variant processing Critical
CVE-2026-66066 was published for activestorage (RubyGems) Jul 30, 2026
0xacb Credited to 0xacb, Ry0taK, flavorjones, jeremy, byroot, ethiack-admin, s3np41k1r1t0, castilho101, and rafaelfranca Ry0taK Ry0taK
flavorjones flavorjones jeremy jeremy byroot byroot ethiack-admin ethiack-admin s3np41k1r1t0 s3np41k1r1t0 castilho101 castilho101 rafaelfranca rafaelfranca
MessagePack::Buffer#clear Use-After-Free that Enables Cross-Buffer Disclosure Low
CVE-2026-54522 was published for msgpack (RubyGems) Jul 30, 2026
pranjalithakur Credited to pranjalithakur
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
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
MCP Ruby SDK: Streamable HTTP transport lacks DNS-rebinding (Host/Origin) protection Moderate
CVE-2026-63118 was published for mcp (RubyGems) Jul 30, 2026
tonghuaroot Credited to tonghuaroot, dodge1218, and hewei-gikaku dodge1218 dodge1218
hewei-gikaku hewei-gikaku
ActiveRecord::Tenanted::Storage::DiskService#path_for has a possible path traversal Low
GHSA-pmwx-rm49-xv39 was published for activerecord-tenanted (RubyGems) Jul 29, 2026
tonghuaroot Credited to tonghuaroot
Pagy I18n locale option is not validated before being used in a file path Moderate
CVE-2026-54659 was published for pagy (RubyGems) Jul 28, 2026
7a6163 Credited to 7a6163
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
sqlite3-ruby has Use-After-Free in SQLite Aggregate Function Callbacks Low
CVE-2026-54620 was published for sqlite3 (RubyGems) Jul 28, 2026
cla7aye15I4nd Credited to cla7aye15I4nd
sqlite3-ruby has Use-After-Free When Redefining SQLite Functions with Different Arity Low
CVE-2026-54619 was published for sqlite3 (RubyGems) Jul 28, 2026
cla7aye15I4nd Credited to cla7aye15I4nd
Trix: Stored XSS via HTMLParser attribute injection on paste Moderate
GHSA-53g2-mvcc-q9x3 was published for action_text-trix (RubyGems) Jul 24, 2026
newbiefromcoma Credited to newbiefromcoma
Ruby json: JSON generator heap buffer overflow when streaming to an IO Low
CVE-2026-54696 was published for json (RubyGems) Jul 23, 2026
susdrip Credited to susdrip
Rails HTML Sanitizers: Possible XSS vulnerability with certain configurations Moderate
GHSA-cj75-f6xr-r4g7 was published for rails-html-sanitizer (RubyGems) Jul 21, 2026
flavorjones Credited to flavorjones
Loofah `allowed_uri?` does not detect `javascript:` URIs split by numeric character references without semicolons Low
GHSA-5qhf-9phg-95m2 was published for loofah (RubyGems) Jul 21, 2026
MoonFuji Credited to MoonFuji
Loofah: SVG `href` attribute bypasses local-reference restriction Moderate
GHSA-9wjq-cp2p-hrgf was published for loofah (RubyGems) Jul 21, 2026
flavorjones Credited to flavorjones
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
Loofah `allowed_uri?` does not detect `javascript:` URIs split by named whitespace character references Low
GHSA-8whx-365g-h9vv was published for loofah (RubyGems) Jul 21, 2026
connorshea Credited to connorshea
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: Reused Component Instances Retain Stale Render Context Moderate
CVE-2026-54497 was published for view_component (RubyGems) Jul 15, 2026
cyberlanc3r Credited to cyberlanc3r
ViewComponent: around_render HTML-Safety Bypass High
CVE-2026-54498 was published for view_component (RubyGems) Jul 15, 2026
cyberlanc3r Credited to cyberlanc3r
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