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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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1,026 advisories

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Rack::Request accepts invalid Host characters, enabling host allowlist bypass Moderate
CVE-2026-34835 was published for rack (RubyGems) Apr 2, 2026
th4s1s Credited to th4s1s, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack has Content-Length mismatch in Rack::Files error responses Moderate
CVE-2026-34831 was published for rack (RubyGems) Apr 2, 2026
Oblivionsage Credited to Oblivionsage, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack::Sendfile header-based X-Accel-Mapping regex injection enables unauthorized X-Accel-Redirect Moderate
CVE-2026-34830 was published for rack (RubyGems) Apr 2, 2026
mzfr Credited to mzfr, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack's multipart parsing without Content-Length header allows unbounded chunked file uploads High
CVE-2026-34829 was published for rack (RubyGems) Apr 2, 2026
th4s1s Credited to th4s1s, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack has a root directory disclosure via unescaped regex interpolation in Rack::Directory Moderate
CVE-2026-34763 was published for rack (RubyGems) Apr 2, 2026
haruki0409 Credited to haruki0409, ioquatix, and jeremyevans ioquatix ioquatix
jeremyevans jeremyevans
Rack has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header Moderate
CVE-2026-34230 was published for rack (RubyGems) Apr 2, 2026
kwkr Credited to kwkr, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack: Forwarded Header semicolon injection enables Host and Scheme spoofing Moderate
CVE-2026-32762 was published for rack (RubyGems) Apr 2, 2026
th4s1s Credited to th4s1s, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack's improper unfolding of folded multipart headers preserves CRLF in parsed parameter values Moderate
CVE-2026-26962 was published for rack (RubyGems) Apr 2, 2026
wtn Credited to wtn, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack's greedy multipart boundary parsing can cause parser differentials and WAF bypass. Low
CVE-2026-26961 was published for rack (RubyGems) Apr 2, 2026
CodeByMoriarty Credited to CodeByMoriarty, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack's multipart header parsing allows Denial of Service via escape-heavy quoted parameters High
CVE-2026-34827 was published for rack (RubyGems) Apr 2, 2026
TaiPhung217 Credited to TaiPhung217, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
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
Rack:: Static header_rules bypass via URL-encoded paths Moderate
CVE-2026-34786 was published for rack (RubyGems) Apr 2, 2026
haruki0409 Credited to haruki0409, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rack::Static prefix matching can expose unintended files under the static root High
CVE-2026-34785 was published for rack (RubyGems) Apr 2, 2026
th4s1s Credited to th4s1s, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Trix is vulnerable to XSS through JSON deserialization bypass in drag-and-drop (Level0InputController) Low
GHSA-53p3-c7vp-4mcc was published for action_text-trix (RubyGems) Mar 29, 2026
Ruby LSP has arbitrary code execution through branch setting High
CVE-2026-34060 was published for ruby-lsp (RubyGems) Mar 27, 2026
MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay High
CVE-2026-33946 was published for mcp (RubyGems) Mar 27, 2026
srikanthramu Credited to srikanthramu
Loofah has improper detection of disallowed URIs via `allowed_uri?` Low
GHSA-2j22-pr5w-6gq8 was published for loofah (RubyGems) Mar 26, 2026
Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests Low
CVE-2026-33658 was published for activestorage (RubyGems) Mar 25, 2026
iCalendar has ICS injection via unsanitized URI property values Moderate
CVE-2026-33635 was published for icalendar (RubyGems) Mar 24, 2026
WesR Credited to WesR
Rails Active Storage has possible glob injection in its DiskService Moderate
CVE-2026-33202 was published for activestorage (RubyGems) Mar 23, 2026
Rails Active Storage has possible Path Traversal in DiskService High
CVE-2026-33195 was published for activestorage (RubyGems) Mar 23, 2026
Rails Active Support has a possible DoS vulnerability in its number helpers Moderate
CVE-2026-33176 was published for activesupport (RubyGems) Mar 23, 2026
Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests Moderate
CVE-2026-33174 was published for activestorage (RubyGems) Mar 23, 2026
Rails Active Storage has possible content type bypass via metadata in direct uploads Moderate
CVE-2026-33173 was published for activestorage (RubyGems) Mar 23, 2026
Rails Active Support has a possible XSS vulnerability in SafeBuffer#% Moderate
CVE-2026-33170 was published for activesupport (RubyGems) Mar 23, 2026
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