CVE-2026-66753-HTTP-Header-Injection-via-Unvalidated-CR-and-LF-in-Header-Values-tiny_http-

Security Advisory: HTTP Header Injection via Unvalidated CR and LF in Header Values tinyhttp Assigned CVE ID: CVE-2026-66753 Summary tinyhttp does not reject carriage return or line feed inside HTTP header values, in either direction. On the request side, readnextline ends a header line only on...

PT-2026-90290

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the dm array component where array block headers are not properly validated during read operations. The array block check function only validates the block number and...

EUVD-2026-75387

t-digest versions 3.1 through 3.3 contain a denial of service vulnerability in MergingDigest.fromBytes that fails to validate length and capacity fields from serialized data. Attackers can supply crafted serialized digests with mismatched header fields to trigger ArrayIndexOutOfBoundsException or...

PT-2026-82237

Cohere North AI v1.1.5 was discovered to contain excessively permissive cross-domain policy with untrusted domains. This occurs via the server failing to validate the Origin header of incoming connection requests...

CVE-2026-65979 OpenEXR: Out-of-bounds read in HTJ2K decoder from unvalidated chunk header length (PLEN)

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. From version 3.4.0 through 3.4.12, the HTJ2K decoder parses a header-length field PLEN from a chunk's compressed data but never checks that this value fits within the...

CVE-2026-65979 OpenEXR: Out-of-bounds read in HTJ2K decoder from unvalidated chunk header length (PLEN)

OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. From version 3.4.0 through 3.4.12, the HTJ2K decoder parses a header-length field PLEN from a chunk's compressed data but never checks that this value fits within the...

CVE-2026-75484 HTTP/2 header field values containing CR, LF or NUL are passed to the application unvalidated in Bandit

Improper Neutralization of CRLF Sequences 'CRLF Injection' vulnerability in mtrudel bandit allows an unauthenticated remote attacker to smuggle CR, LF, or NUL characters into application-visible request headers via HTTP/2. Bandit.HTTP2.Stream.readheaders/1 validates pseudo-header placement and...

GO-2026-5882 Oras-go: Blob upload vulnerable to credential forwarding via unvalidated Location header in oras.land/oras-go

Oras-go: Blob upload vulnerable to credential forwarding via unvalidated Location header in oras.land/oras-go...

CVE-2026-59145 Data::Intern::Shared versions before 0.02 for Perl allow an out-of-bounds read via unvalidated slot, reverse and arena indices in si_idx_find

Data::Intern::Shared versions before 0.02 for Perl allow an out-of-bounds read via unvalidated slot, reverse and arena indices in siidxfind. The attach-time validator sivalidateheader is thorough about the header and layout magic, version, section offsets, totalsize, count and arenaused but does...

CVE-2026-44583 Paymenter: Blind Unauthenticated SSRF on the Paypal gateway module

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request...

CVE-2026-44583 Paymenter: Blind Unauthenticated SSRF on the Paypal gateway module

Paymenter is a free and open-source webshop solution for management of hosting services. In versions prior to 1.5.0, the PayPal webhook endpoint /extensions/paypal/webhook processes the PAYPAL-CERT-URL HTTP header without validation, allowing attackers to control server-side HTTP request...

PT-2026-54776

Name of the Vulnerable Software and Affected Versions oras-go versions prior to 2.6.0 Description During the monolithic blob upload flow, the software follows a registry-controlled Location header and reuses the Authorization header from the initial POST request for the subsequent PUT request. If...

CVE-2026-54299 Astro: Host-header full-read SSRF in core prerendered error-page fetch (prerenderedErrorPageFetch default + unvalidated createRequestFromNodeRequest URL)

Astro is a web framework. Prior to 6.4.6, Astro SSR apps with prerendered error pages /404 or /500 using export const prerender = true fetch those pages over HTTP at runtime when an error occurs. The URL for this fetch is derived from request.url, which in turn gets its origin from the incoming...

GHSA-W6J9-VW59-27WV Gogs has an Authentication Bypass via Unvalidated Reverse Proxy Headers

Summary When ENABLEREVERSEPROXYAUTHENTICATION is enabled, Gogs accepts the configured authentication header default: X-WEBAUTH-USER directly from client requests without validating that the request originated from a trusted reverse proxy. Any remote attacker who can reach the Gogs service can for...

PT-2026-45831

CrowCpp Crow through v1.3.1 HTTP is vulnerable to response header injection via unvalidated response header values...

AZL-88634 CVE-2026-46064 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: ibmasm: fix heap over-read in ibmasmsendi2omessage The ibmasmsendi2omessage function uses getdotcommandsize to compute the byte count for memcpytoio, but this value is derived from user-controlled fields in the dotcommandheader...

Devise has an Open Redirect via Unvalidated `request.referrer` in Timeoutable Session Timeout Handler

Summary When the Timeoutable module is enabled in Devise, the FailureAppredirecturl method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET request that results in a session timeout. An attacker who hosts a page with an...

Apollo MCP Server Access Control Vulnerability

The Apollo MCP Server is an open-source service from Apollo GraphQL that exposes GraphQL operations as AI tools. Versions of the Apollo MCP Server prior to 1.7.0 contained a access control vulnerability. This vulnerability stemmed from the lack of validation of the Host header in incoming HTTP...

GHSA-CXJ8-GGF2-P57C Signal K Server: OAuth Authorization Code Theft via Unvalidated Host Header in OIDC Flow

Summary SignalK Server contains a code-level vulnerability in its OIDC login and logout handlers where the unvalidated HTTP Host header is used to construct the OAuth2 redirecturi. Because the redirectUri configuration is silently unset by default, an attacker spoof the Host header to steal OAuth...

CVE-2026-32616 Pigeon has a Host Header Injection in email verification flow

Pigeon is a message board/notepad/social system/blog. Prior to 1.0.201, the application uses $SERVER'HTTPHOST' without validation to construct email verification URLs in the register and resendmail flows. An attacker can manipulate the Host header in the HTTP request, causing the verification lin...