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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.

142 advisories

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Multiple security fixes in justhtml Low
GHSA-4p64-v8f5-r2gx was published for justhtml (pip) Apr 14, 2026
EmilStenstrom Credited to EmilStenstrom
@fastify/express's middleware path doubling causes authentication bypass in child plugin scopes Critical
CVE-2026-33807 was published for @fastify/express (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, mcollina, UlisesGascon, and climba03003 mcollina mcollina
UlisesGascon UlisesGascon climba03003 climba03003
FredKSchott Credited to FredKSchott, mcollina, UlisesGascon, and climba03003 mcollina mcollina
UlisesGascon UlisesGascon climba03003 climba03003
Official Clerk JavaScript SDKs: Middleware-based route protection bypass Critical
CVE-2026-41248 was published for @clerk/astro (npm) Apr 16, 2026
YouGina Credited to YouGina
@fastify/middie vulnerable to middleware bypass via deprecated ignoreDuplicateSlashes option High
CVE-2026-33804 was published for @fastify/middie (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, mcollina, climba03003, and UlisesGascon mcollina mcollina
climba03003 climba03003 UlisesGascon UlisesGascon
@fastify/middie vulnerable to middleware authentication bypass in child plugin scopes Critical
CVE-2026-6270 was published for @fastify/middie (npm) Apr 16, 2026
FredKSchott Credited to FredKSchott, climba03003, and UlisesGascon climba03003 climba03003
UlisesGascon UlisesGascon
justhtml has sanitization bypass in custom policies and programmatic DOM Moderate
GHSA-vrx2-77f2-ww34 was published for justhtml (pip) Apr 22, 2026
EmilStenstrom Credited to EmilStenstrom
Heimdall: Case-sensitive handling of URL-encoded slashes may lead to inconsistent path interpretation High
CVE-2026-42272 was published for github.com/dadrus/heimdall (Go) Apr 25, 2026
Heimdall: Case-sensitive host matching may lead to policy bypass High
CVE-2026-42273 was published for github.com/dadrus/heimdall (Go) Apr 25, 2026
Heimdall has an authorization bypass via path normalization mismatch High
CVE-2026-42274 was published for github.com/dadrus/heimdall (Go) Apr 25, 2026
Fiber's cache middleware default key generator ignores query string, causing response mix-up across distinct query parameters Moderate
CVE-2026-30246 was published for github.com/gofiber/fiber/v3 (Go) Apr 28, 2026
xeloxa Credited to xeloxa, gaby, and ReneWerner87 gaby gaby
ReneWerner87 ReneWerner87
Flight: HTTP method override enabled by default, facilitating CSRF escalation and middleware bypass High
CVE-2026-42551 was published for flightphp/core (Composer) May 6, 2026
Rootingg Credited to Rootingg
fast-uri vulnerable to host confusion via percent-encoded authority delimiters High
CVE-2026-6322 was published for fast-uri (npm) May 8, 2026
Jvr2022 Credited to Jvr2022, mcollina, UlisesGascon, climba03003, zakaryan2004, and jlang-ih mcollina mcollina
UlisesGascon UlisesGascon climba03003 climba03003 zakaryan2004 zakaryan2004 jlang-ih jlang-ih
Next.js vulnerable to cache poisoning in React Server Component responses Moderate
CVE-2026-44576 was published for next (npm) May 11, 2026
Fedify has an LD-Signature Bypass via JSON-LD Named-Graph Restructuring High
CVE-2026-42462 was published for @fedify/fedify (npm) May 26, 2026
threalwinky Credited to threalwinky
Symfony has an HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification Moderate
CVE-2026-45066 was published for symfony/html-sanitizer (Composer) May 27, 2026
nicolas-grekas Credited to nicolas-grekas and 0xEr3n 0xEr3n 0xEr3n
python-multipart: Content-Disposition parameter smuggling via RFC 2231/5987 extended parameters Low
CVE-2026-53537 was published for python-multipart (pip) Jun 15, 2026
0xkakash1 Credited to 0xkakash1 and sammiee5311 sammiee5311 sammiee5311
python-multipart: Semicolon treated as querystring field separator enables parameter smuggling Low
CVE-2026-53538 was published for python-multipart (pip) Jun 15, 2026
maxisbey Credited to maxisbey
kexinoh Credited to kexinoh, russellb, jperezdealgaba, and DarkLight1337 russellb russellb
jperezdealgaba jperezdealgaba DarkLight1337 DarkLight1337
OctoPrint has possible file exfiltration via query parameters on upload endpoints High
CVE-2026-54134 was published for OctoPrint (pip) Jun 23, 2026
seankohjs Credited to seankohjs, jacopotediosi, and cookesan jacopotediosi jacopotediosi
cookesan cookesan
Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing High
CVE-2026-48788 was published for github.com/umputun/remark42 (Go) Jun 26, 2026
ildkh Credited to ildkh
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