elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

poc.zip Summary elFinder 2.1.69 is vulnerable to a Server-Side Request Forgery SSRF protection bypass when PHP cURL is unavailable and URL uploads use the fsockgetcontents fallback. An attacker who can submit a URL for server-side upload can use an attacker-controlled DNS hostname that initially...

CVE-2026-81889 elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

CVE-2026-81889 elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

CVE-2026-81889

elFinder (open-source web file manager) contains an SSRF protection bypass in php/elFinder.class.php prior to version 2.1.70 . When PHP cURL is unavailable, get_remote_contents() falls back to fsock_get_contents(), which performs a second DNS resolution to $arr['host'] independent of the IP alrea...

EUVD-2026-68768

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

CVE-2026-81889 elFinder: SSRF protection bypass via DNS rebinding in the `fsock_get_contents()` fallback

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.70, elFinder URL uploads in php/elFinder.class.php can bypass server-side request forgery protections when PHP cURL is unavailable because validateaddress validates $info'ip', but getremotecontent...

[SECURITY] Fedora 44 Update: bind-9.18.50-2.fc44

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

[SECURITY] Fedora 43 Update: bind-9.18.50-2.fc43

BIND Berkeley Internet Name Domain is an implementation of the DNS Domain Name System protocols. BIND includes a DNS server named, which resolves host names to IP addresses; a resolver library routines for applications to use when interfacing with DNS; and tools for verifying that the DNS server ...

Updated c-ares packages fix security vulnerabilities

Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via aresgetaddrinfo over TCP. CVE-2026-33630 CPU-exhaustion denial of service via unbounded DNS name compression pointer chains. CVE-2026-69184 Memory-amplification denial of service via unvalidated DNS header...

MGASA-2026-0343 Updated c-ares packages fix security vulnerabilities

Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via aresgetaddrinfo over TCP. CVE-2026-33630 CPU-exhaustion denial of service via unbounded DNS name compression pointer chains. CVE-2026-69184 Memory-amplification denial of service via unvalidated DNS header...

CVE-2026-51695

Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter dynamic DNS state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-82692

A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsimgr.cgi. Performing a manipulation of the argument alias/username/password/volumelocation results in os command injection. It is possible to initiate the attack remotely...

CVE-2026-82691

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usbdevice.cgi of the component CGI Handler. Such manipulation of the argument fupsip leads to os command injection. The attac...

CVE-2026-82690

A flaw has been found in D-Link DNS-327L and DNS-340L up to 20260717. Affected by this vulnerability is an unknown functionality of the file /cgi-bin/vemgr.cgi. This manipulation of the argument fdev causes os command injection. The attack is possible to be carried out remotely. The exploit has...

CVE-2026-82689

A vulnerability was detected in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected is an unknown function of the file /cgi-bin/isomountmgr.cgi of the component ISO Image Handler. The manipulation of the argument upIsoRootPath results in os command injection. The attack can b...

dnsx v1.3.1

A fast and multi-purpose DNS toolkit designed for running DNS queries Features • Installation • Usage • Running dnsx • Wildcard • Notes • Join Discord dnsx is a fast and multi-purpose DNS toolkit designed for running various probes through the retryabledns library. It supports multiple DNS querie...

CVE-2026-82692 D-Link DNS-340L/DNS-345 iscsi_mgr.cgi os command injection

A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsimgr.cgi. Performing a manipulation of the argument alias/username/password/volumelocation results in os command injection. It is possible to initiate the attack remotely...

EUVD-2026-68503

A vulnerability was found in D-Link DNS-340L and DNS-345 up to 20260717. This affects an unknown part of the file /cgi-bin/iscsimgr.cgi. Performing a manipulation of the argument alias/username/password/volumelocation results in os command injection. It is possible to initiate the attack remotely...

EUVD-2026-68485

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usbdevice.cgi of the component CGI Handler. Such manipulation of the argument fupsip leads to os command injection. The attac...

CVE-2026-82691 D-Link DNS-320L/DNS-327L/DNS-340L/DNS-345 CGI usb_device.cgi os command injection

A vulnerability has been found in D-Link DNS-320L, DNS-327L, DNS-340L and DNS-345 up to 20260717. Affected by this issue is some unknown functionality of the file /cgi-bin/usbdevice.cgi of the component CGI Handler. Such manipulation of the argument fupsip leads to os command injection. The attac...