CVE-2026-20896 Gitea Docker image trusts spoofable reverse-proxy headers by default

Gitea Docker image versions up to and including 1.26.2 use REVERSEPROXYTRUSTEDPROXIES= by default, allowing any source IP to impersonate a user when reverse-proxy authentication headers such as X-WEBAUTH-USER are enabled...

CVE-2026-20896

Gitea Docker image versions up to and including 1.26.2 use REVERSEPROXYTRUSTEDPROXIES= by default, allowing any source IP to impersonate a user when reverse-proxy authentication headers such as X-WEBAUTH-USER are enabled...

CVE-2026-38969

A flaw was found in WEBrick, a Ruby web server toolkit. This vulnerability allows a remote attacker to perform request smuggling by manipulating the Content-Length header in HTTP/1.1 requests. WEBrick incorrectly re-parses the trailer Content-Length, leading to a desynchronization between the pro...

[SECURITY] Fedora 44 Update: ipp-usb-0.9.34-2.fc44

HTTP reverse proxy, backed by IPP-over-USB connection to device. It enables driverless support for USB devices capable of using IPP-over-USB protocol...

Apache ZooKeeper: Apache ZooKeeper: Impersonation of servers or clients via reverse DNS spoofing

A flaw was found in Apache ZooKeeper. The ZKTrustManager component's hostname verification process can fall back to reverse DNS PTR lookup when IP Subject Alternative Name SAN validation fails. This vulnerability allows an attacker who can control or spoof PTR records to impersonate ZooKeeper...

netty-codec-http: Netty is vulnerable to request smuggling due to incorrect parsing of chunk extensions

A flaw in Netty’s HTTP/1.1 chunked encoding parser allows newline LF characters in chunk extensions to be incorrectly treated as the end of the chunk-size line instead of requiring the proper CRLF sequence. This discrepancy can be exploited in rare cases where a reverse proxy interprets the same...

9router has an Incomplete Fix: Local-Only Access Gate Bypass in 9router via Host Header SpoofING

The fix for CVE-2026-46339 unauthenticated RCE via unprotected MCP plugin routes introduced a local-only access gate in src/dashboardGuard.js that restricts spawn-capable routes /api/mcp/, /api/tunnel/, /api/cli-tools/ to loopback requests. The gate determines "local" by inspecting the Host and...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

[SECURITY] Fedora 44 Update: nginx-1.30.3-1.fc44

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

[SECURITY] Fedora 43 Update: nginx-1.30.3-1.fc43

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

MAL-2026-6531 Malicious code in @appupdate/cdn-sync (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 445a7b613694730e29915d732e3df0700d145622b279b62b0a141c76211e6f14 Package @appupdate/cdn-sync ships as a thin koffi wrapper around prebuilt Go cgo native libraries 12MB linux.so, 11MB darwin.dylib for x64/arm64. The...

Malicious code in @appupdate/cdn-sync (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 445a7b613694730e29915d732e3df0700d145622b279b62b0a141c76211e6f14 Package @appupdate/cdn-sync ships as a thin koffi wrapper around prebuilt Go cgo native libraries 12MB linux.so, 11MB darwin.dylib for x64/arm64. The...

PT-2026-53004

Name of the Vulnerable Software and Affected Versions Fluentd versions prior to 1.19.3 Description The in http and in forward plugins support gzip-compressed data but only enforce size limits on the compressed payloads via settings like body size limit and chunk size limit. Because no limit is...

Tenable Nessus < 10.12.1 Multiple Vulnerabilities (TNS-2026-17)

According to its self-reported version, the Tenable Nessus application running on the remote host is prior to 10.12.1. It is, therefore, affected by multiple vulnerabilities as referenced in the TNS-2026-17 advisory. - A SQL injection vulnerability in Nessus allows a remote, unauthenticated...

CVE-2026-57587

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data...

CVE-2026-57587 SQL Injection in Nessus via Reverse DNS Lookup

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data...

CVE-2026-57587 SQL Injection in Nessus via Reverse DNS Lookup

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data...

EUVD-2026-39408

A SQL injection vulnerability in Nessus allows a remote, unauthenticated attacker who controls reverse DNS records for a scanned host to inject malicious SQL into the scan results database, potentially enabling exfiltration of scan-result data...

CVE-2026-57587

The CVE-2026-57587 entry describes a SQL injection in Nessus affecting the scan results database. An unauthenticated remote attacker who controls reverse DNS records for a scanned host can inject malicious SQL, potentially exfiltrating scan-result data. The connected documents specify Nessus as t...

CVE-2026-12635 Reliance on Reverse DNS Resolution for a Security-Critical Action in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.11.6, 19.0 before 19.0.3, and 19.1 before 19.1.1 that under certain conditions could have allowed an authenticated user with maintainer-role permissions to make requests to internal network resources through...