PT-2026-45799

Name of the Vulnerable Software and Affected Versions React Router versions 7.5.1 through 7.13.1 Description When using Framework Mode with pre-rendering enabled, improper neutralization of the HTTP Location header value can permit Cross-Site Scripting XSS—a vulnerability where malicious scripts...

Unity Linux 20.1060e / 20.1070e Security Update: cryptacular (UTSA-2026-016656)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016656 advisory. CiphertextHeader.java in Cryptacular 1.2.3, as used in Apereo CAS and other products, allows attackers to trigger excessive memory allocation during a decode...

CVE-2026-42606

CVE-2026-42606 (AzuraCast) : The vulnerability arises from the ApplyXForwarded middleware unconditionally trusting the client-supplied X-Forwarded-Host header with no trusted-proxy allowlist, allowing an unauthenticated attacker to poison the password-reset URL during forgot-password flow. The at...

CVE-2026-42606 AzuraCast: Password Reset Poisoning via Untrusted X-Forwarded-Host Header Leads to Account Takeover and 2FA Bypass

AzuraCast is a self-hosted, all-in-one web radio management suite. Prior to version 0.23.6, the ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to...

CVE-2026-42606 AzuraCast: Password Reset Poisoning via Untrusted X-Forwarded-Host Header Leads to Account Takeover and 2FA Bypass

AzuraCast is a self-hosted, all-in-one web radio management suite. Prior to version 0.23.6, the ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to...

CVE-2026-40685

A flaw was found in Exim. When JSON lookup is enabled, a remote attacker can send specially crafted malformed JSON in an untrusted header, leading to an out-of-bounds heap write. This issue, caused by an incorrect implementation of backslash skipping, can result in a denial of service...

GHSA-GV7R-3MR9-H5X8 AzuraCast has Password Reset Poisoning via Untrusted X-Forwarded-Host Header that Leads to Account Takeover and 2FA Bypass

Summary The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When th...

AzuraCast has Password Reset Poisoning via Untrusted X-Forwarded-Host Header that Leads to Account Takeover and 2FA Bypass

Summary The ApplyXForwarded middleware unconditionally trusts the client-supplied X-Forwarded-Host HTTP header with no trusted proxy allowlist. An unauthenticated attacker can poison the password reset URL sent to any user by injecting this header when triggering the forgot-password flow. When th...

CVE-2026-40685

In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping...

CVE-2026-40685

Exim before 4.99.2 is affected when JSON lookup is enabled. An out-of-bounds heap write can occur if a JSON operator encounters malformed JSON in an untrusted header, caused by an incorrect implementation of the JSON skipping logic. CVSS v3.1 metrics indicate a high-severity, remote-execution-lik...

EUVD-2026-26443

In Exim before 4.99.2, when JSON lookup is enabled, an out-of-bounds heap write can occur when a JSON operator encounters malformed JSON in an untrusted header, because of an incorrect implementation of \ skipping...

PT-2026-36196

Name of the Vulnerable Software and Affected Versions Exim versions prior to 4.99.2 Description An out-of-bounds heap write can occur when JSON lookup is enabled. This happens when a JSON operator encounters malformed JSON in an untrusted header due to an incorrect implementation of backslash...

pyLoad has a Session Cookie Security Downgrade via Untrusted X-Forwarded-Proto Header Spoofing (Global State Race Condition)

Summary The setsessioncookiesecure beforerequest handler in src/pyload/webui/app/init.py reads the X-Forwarded-Proto header from any HTTP request without validating that the request originates from a trusted proxy, then mutates the global Flask configuration SESSIONCOOKIESECURE on every request...

CVE-2026-34720 Zammad has an origin validation error in SSO mechanism

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the SSO mechanism in Zammad was not verifying the header originates from a trusted SSO proxy/gateway before applying further actions on it. This vulnerability is fixed in 7.0.1 and 6.5.4...

Rack::Sendfile header-based X-Accel-Mapping regex injection enables unauthorized X-Accel-Redirect

Summary Rack::Sendfilemapaccelpath interpolates the value of the X-Accel-Mapping request header directly into a regular expression when rewriting file paths for X-Accel-Redirect. Because the header value is not escaped, an attacker who can supply X-Accel-Mapping to the backend can inject regex...

CVE-2026-34240

JOSE is a Javascript Object Signing and Encryption JOSE library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header jwk. The vulnerability exists because key selection could tre...

CVE-2026-34240 jose vulnerable to untrusted JWK header key acceptance during signature verification

JOSE is a Javascript Object Signing and Encryption JOSE library. Prior to version 0.3.5+1, a vulnerability in jose could allow an unauthenticated, remote attacker to forge valid JWS/JWT tokens by using a key embedded in the JOSE header jwk. The vulnerability exists because key selection could tre...

CVE-2026-34240

Summary : CVE-2026-34240 affects the JOSE JavaScript library. Prior to 0.3.5+1, an unauthenticated, remote attacker could forge valid JWS/JWT tokens by embedding an attacker-controlled public key in the JOSE header (jwk) and exploiting header-provided keys as verification candidates even if not p...

GO-2026-4810 Ory Oathkeeper has an authentication bypass by usage of untrusted header in github.com/ory/oathkeeper

Ory Oathkeeper has an authentication bypass by usage of untrusted header in github.com/ory/oathkeeper...

Fedora 42 : cpp-httplib (2026-3b0e5b457d)

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-3b0e5b457d advisory. Update to 0.30.1 - Denial of service DOS using zip bomb CVE-2026-22776 - CRLF injection in http headers CVE-2026-21428 - Untrusted HTTP Header...