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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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356 advisories

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ruby-jwt: Empty-key HMAC bypass; cross-language sibling of CVE-2026-44351 High
CVE-2026-45363 was published for jwt (RubyGems) May 18, 2026
SnailSploit Credited to SnailSploit
katalyst-koi: Session cookies can be replayed after user logout High
CVE-2026-44511 was published for katalyst-koi (RubyGems) May 7, 2026
net-imap vulnerable to STARTTLS stripping via invalid response timing High
CVE-2026-42246 was published for net-imap (RubyGems) May 4, 2026
Masamuneee Credited to Masamuneee
bsv-sdk ARC broadcaster treats INVALID/MALFORMED/ORPHAN responses as successful broadcasts High
CVE-2026-40069 was published for bsv-sdk (RubyGems) Apr 9, 2026
sgbett Credited to sgbett
bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths) High
CVE-2026-40070 was published for bsv-sdk (RubyGems) Apr 9, 2026
sgbett Credited to sgbett
Addressable has a Regular Expression Denial of Service in Addressable templates High
CVE-2026-35611 was published for addressable (RubyGems) Apr 8, 2026
jamfish Credited to jamfish and sporkmonger sporkmonger sporkmonger
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'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 has quadratic complexity in Rack::Utils.select_best_encoding via wildcard Accept-Encoding header High
CVE-2026-34230 was published for rack (RubyGems) Apr 2, 2026
kwkr Credited to kwkr, jeremyevans, and ioquatix jeremyevans jeremyevans
ioquatix ioquatix
Rails Active Storage has possible Path Traversal in DiskService High
CVE-2026-33195 was published for activestorage (RubyGems) Mar 23, 2026
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
Avo: Broken Access Control Through Unauthorized Execution of Arbitrary Action Classes Across Resources High
CVE-2026-42205 was published for avo (RubyGems) Apr 24, 2026
xIllunight Credited to xIllunight
Nokogiri CSS selector tokenizer has regular expression backtracking High
GHSA-c4rq-3m3g-8wgx was published for nokogiri (RubyGems) May 6, 2026
colby-swandale Credited to colby-swandale and flavorjones flavorjones flavorjones
OpenC3 COSMOS: Hijacked session token can be used to reset password for persistence High
CVE-2026-42084 was published for openc3 (RubyGems) Apr 22, 2026
ctrlsill Credited to ctrlsill
Decidim's comments API allows access to all commentable resources High
CVE-2026-40870 was published for decidim-api (RubyGems) Apr 14, 2026
ahukkanen Credited to ahukkanen
Decidim amendments can be accepted or rejected by anyone High
CVE-2026-40869 was published for decidim-core (RubyGems) Apr 14, 2026
Uncontrolled resource consumption and loop with unreachable exit condition in facil.io and downstream iodine ruby gem High
CVE-2026-41146 was published for iodine (RubyGems) Apr 14, 2026
michaelknap Credited to michaelknap
ERB has an @_init deserialization guard bypass via def_module / def_method / def_class High
CVE-2026-41316 was published for erb (RubyGems) Apr 24, 2026
TristanInSec Credited to TristanInSec
Regular Expression Denial of Service in Addressable templates High
CVE-2021-32740 was published for addressable (RubyGems) Jul 12, 2021
sporkmonger Credited to sporkmonger
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
rubyipmi is vulnerable to OS Command Injection through malicious usernames High
CVE-2026-0980 was published for rubyipmi (RubyGems) Feb 27, 2026
foreman_kubevirt disables SSL verification if a Certificate Authority (CA) certificate is not explicitly set High
CVE-2026-1531 was published for foreman_kubevirt (RubyGems) Feb 2, 2026
fog-kubevirt allows remote attacker to perform MITM attack due to disabled certificate validation High
CVE-2026-1530 was published for fog-kubevirt (RubyGems) Feb 2, 2026
Ruby JSON has a format string injection vulnerability High
CVE-2026-33210 was published for json (RubyGems) Mar 19, 2026
DavidKorczynski Credited to DavidKorczynski
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