EUVD-2026-52439

Shlink versions 5.0.0 through 5.1.5 contain a CSV formula injection vulnerability that allows unauthenticated remote attackers to plant spreadsheet formulas into exported visit data by supplying malicious values in User-Agent, Referer, or request path headers beginning with formula-triggering...

CVE-2026-18738 Shlink CSV Formula Injection via Visit Export CLI

Shlink versions 5.0.0 through 5.1.5 contain a CSV formula injection vulnerability that allows unauthenticated remote attackers to plant spreadsheet formulas into exported visit data by supplying malicious values in User-Agent, Referer, or request path headers beginning with formula-triggering...

CVE-2026-18738

Shlink versions 5.0.0 through 5.1.5 contain a CSV formula injection vulnerability that allows unauthenticated remote attackers to plant spreadsheet formulas into exported visit data by supplying malicious values in User-Agent, Referer, or request path headers beginning with formula-triggering...

CVE-2026-48061 Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

CVE-2026-48061 Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

CVE-2026-48061

Litestar prior to v2.22.0 is affected by CVE-2026-48061: AllowedHostsMiddleware may bypass host validation by using X-Forwarded-Host when Host is absent, enabling host-header injection (e.g., password reset links, cache keys, routing decisions). The issue occurs when no reverse proxy strips X-For...

CVE-2026-48061

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

CVE-2026-48061

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

CVE-2026-48061 Litestar: AllowedHostsMiddleware bypasses host validation via client-controlled X-Forwarded-Host header

Litestar is an Asynchronous Server Gateway Interface ASGI framework. In versions prior to 2.22.0, an attacker can bypass the allowed hosts validation by omitting the Host header and supplying an X-Forwarded-Host header set to a whitelisted domain. The AllowedHostsMiddleware trusts the...

EUVD-2026-50568

undici vulnerable to CRLF Injection via blob-like body 'type' property...

GHSA-M8RV-5G2X-5CG5 undici vulnerable to CRLF Injection via blob-like body 'type' property

Impact When an application passes a duck-typed blob-like body to undici's HTTP/1.1 dispatcher via request, stream, pipeline, or dispatch with a .type derived from untrusted input, an attacker can inject CRLF sequences \r\n to append arbitrary HTTP headers and potentially smuggle a second request...

undici vulnerable to cross-user information disclosure via whitespace around equals in Cache-Control directives

Impact Undici's cache interceptor mishandles optional whitespace OWS placed around the = of a qualified no-cache or private Cache-Control directive, such as no-cache ="authorization" OWS before = or no-cache= "authorization" OWS after =. The parser either drops the directive entirely or stores a...

JLSEC-2026-1157 nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a...

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

EUVD-2026-50566

undici vulnerable to downstream response desynchronization via retry interceptor...

GHSA-4CWX-7WF7-3272 undici vulnerable to cross-user information disclosure and parse-time crash via degenerate private cache directives

Summary Two issues in undici's cache interceptor, both fixed by the same patch on lib/util/cache.js: 1. Shared-cache disclosure: Responses with malformed qualified Cache-Control: private directives such as private="" or private="," can be incorrectly stored in the default shared cache, then serve...

CVE-2026-38444

osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting XSS via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ostthreadentry. When an unauthenticated attacker sends a reply email to an...

JLSEC-2026-1129

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, the NATS message header Nats-Request-Info: is supposed to be a guarantee of identity by the NATS server, but the stripping of this header from inbound messages was...

JLSEC-2026-1130

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server offers a Nats-Request-Info: message header, providing information about a request. This is supposed to provide enough information to allow for account/user identification, such that NAT...

CVE-2026-66296

Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in lib/oaskit/errorhandler/default.ex...

CVE-2026-66296 Reflected XSS in oaskit's default HTML error handler

Improper Neutralization of Input During Web Page Generation XSS vulnerability in lud oaskit allows reflected cross-site scripting via the default HTML error handler. Oaskit.ErrorHandler.Default.formatreason/4 and Oaskit.ErrorHandler.Default.reasontohtml/1 in lib/oaskit/errorhandler/default.ex...