Traefik - Open Redirect

Traefik before 1.7.26, 2.2.8, and 2.3.0-rc3 contains an open redirect vulnerability in the X-Forwarded-Prefix header. An attacker can redirect a user to a malicious site and possibly obtain sensitive information, modify data, and/or execute unauthorized operations. id: CVE-2020-15129 info: name:...

PT-2026-96056

Name of the Vulnerable Software and Affected Versions Open VSX affected versions not specified Description An unauthenticated remote attacker can poison the per-extension metadata cache by supplying crafted X-Forwarded-Host, X-Forwarded-Proto, and X-Forwarded-Prefix request headers. The...

Linux Distros Unpatched Vulnerability : CVE-2026-16434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard...

Linux Distros Unpatched Vulnerability : CVE-2026-34959

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVERREQUESTURI with no trusted-proxy check and no validation of the pref...

Improper Input Validation

Overview vrana/adminer is a Database management in a single file. Affected versions of this package are vulnerable to Improper Input Validation in the processing of the X-Forwarded-Prefix header due to improper validation of backslash characters. An attacker can manipulate the Set-Cookie Path...

Improper Input Validation

Overview vrana/adminer is a Database management in a single file. Affected versions of this package are vulnerable to Improper Input Validation via the X-Forwarded-Prefix header. An attacker can manipulate redirect destinations, control the session cookie path attribute, and poison self-referenti...

CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-16434

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

DEBIAN-CVE-2026-16434

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

CVE-2026-34959 Adminer before 5.5.0 Open Redirect via X-Forwarded-Prefix

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

EUVD-2026-65195

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

CVE-2026-16434 Adminer before 5.5.1 X-Forwarded-Prefix Backslash Bypass

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

EUVD-2026-65196

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-16434 Adminer before 5.5.1 X-Forwarded-Prefix Backslash Bypass

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-16434

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...

CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $_SERVER["REQUEST_URI"] without a trusted-proxy check or validation of the prefix value. An attacker can inject an absolute URL (e.g., https://evil.example) that propagates into Location redirect headers, the Set...

CVE-2026-34959 Adminer before 5.5.0 Open Redirect via X-Forwarded-Prefix

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-34959 Adminer before 5.5.0 Open Redirect via X-Forwarded-Prefix

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-16434

Adminer versions 4.6.0 through 5.5.0 contain an incomplete fix for a prior X-Forwarded-Prefix header injection (GHSA-8478-xrj3-h9c2). The validation guard in bootstrap.inc.php uses the regex ^/[^/] to reject malicious prefixes, which blocks //evil.com but allows values like /\evil.com where the s...