Linux Distros Unpatched Vulnerability : CVE-2026-44889

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - WebOb provides objects for HTTP requests and responses. Prior to 1.8.10, the normalization of the HTTP Location header during a redirect is vulnerable to an ope...

PT-2026-51733

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where the tun put user function declares a virtio net hdr v1 hash tunnel structure on the stack without initializing it to zero. For non-tunnel socket buffers skb, the...

PT-2026-51755

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description An issue exists where the HTTP Referer: header persists even after being explicitly cleared. Although passing NULL to CURLOPT REFERER is intended to suppress the header, the internal state is...

Linux Distros Unpatched Vulnerability : CVE-2026-52940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb,...

PT-2026-51750

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description When reusing a handle for sequential transfers driven by environment-variable proxy configuration, the software fails to clear the proxy authentication state between requests. If an initial...

ROS-20260624-73-0044

The vulnerability in python-aiohttp is related to the failure to handle CR LF sequences in HTTP headers. Exploiting this vulnerability allows a remote attacker to inject arbitrary HTTP headers...

Linux Distros Unpatched Vulnerability : CVE-2026-52845

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Caddy is an extensible server platform that uses TLS by default. Prior to 2.11.4, forwardauth copyheaders deletes the exact client-supplied identity header befo...

ROS-20260624-73-0047

The vulnerability in python-aiohttp is related to the failure to handle CR LF sequences in HTTP headers. Exploiting this vulnerability allows a remote attacker to inject arbitrary HTTP headers...

PT-2026-51735

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read issue exists in the netfilter nf log component. The dump mac header function fails to verify if the MAC header was set using skb mac header was set in its fallback...

Linux Distros Unpatched Vulnerability : CVE-2026-52943

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into ...

PT-2026-51908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tcf blockcast redir function where the mac header xmit flag is queried from the incorrect device when iterating through block ports to redirect packets. The system...

CVE-2026-54588

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect via the construction of callback URLs in OIDC, SAML, and logout authentication flows using the attacker-controlled HTTPHOST header. An attacker can intercept authorization codes or session tokens by manipulating the...

CVE-2026-54588

Poweradmin (for PowerDNS) is affected by a Host Header Injection vulnerability in auth flows. Versions prior to 4.2.4 and 4.3.3 use the HTTP_HOST header as the authoritative source for building OIDC redirect_uri, SAML ACS/SLO URLs, and logout redirects without validation. An unauthenticated attac...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

EUVD-2026-31881

Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir...

Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir

Summary When algernon is started with --domain or --letsencrypt, which silently turns on --domain at engine/flags.go:372, the request handler resolves the served directory by joining the configured --dir with the value of the client-supplied Host header. The join is performed by filepath.Join wit...

GHSA-JC3J-X6PG-4HMV Algernon: Host header path traversal in --domain mode reads files and runs Lua from parent dir

Summary When algernon is started with --domain or --letsencrypt, which silently turns on --domain at engine/flags.go:372, the request handler resolves the served directory by joining the configured --dir with the value of the client-supplied Host header. The join is performed by filepath.Join wit...

CVE-2026-53929

NocoDB is software for building databases as spreadsheets. Prior to 2026.05.1, with NCSECUREATTACHMENTS=true, an authenticated uploader could deliver .html or .svg attachments that the browser rendered inline from the NocoDB origin instead of forcing a download. The signed attachment handler stor...