EUVD-2026-12441

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation which allows an attacker to perform SSRF attacks against internal services via IPv4-mapped IPv6 literals e.g., ::ffff:127.0.0.1.. Mattermost...

GHSA-GQV7-J2J8-QMWQ Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation which allows an attacker to perform SSRF attacks against internal services via IPv4-mapped IPv6 literals e.g., ::ffff:127.0.0.1.. Mattermost...

PT-2026-25758

Mattermost fails to canonicalize IPv4-mapped IPv6 addresses before reserved IP validation in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing...

EUVD-2021-0751

Malware in sbrugna...

EUVD-2025-7318

Malicious code in bioql PyPI...

CVE-2025-8267

Versions of the package ssrfcheck before 1.2.0 are vulnerable to Server-Side Request Forgery SSRF due to an incomplete denylist of IP address ranges. Specifically, the package fails to classify the reserved IP address space 224.0.0.0/4 Multicast as invalid. This oversight allows attackers to craf...

GHSA-C2FV-2FMJ-9XRX Duplicate Advisory: ssrfcheck has Incomplete IP Address Deny List that leads to Server-Side Request Forgery Vulnerability

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-p4hc-9pjh-55c8. This link is maintained to preserve external references. Original Description Versions of the package ssrfcheck below 1.2.0 are vulnerable to Server-Side Request Forgery SSRF due to an incomplete...

CVE-2020-28360

Insufficient RegEx in private-ip npm package v1.0.5 and below insufficiently filters reserved IP ranges resulting in indeterminate SSRF. An attacker can perform a large range of requests to ARIN reserved IP ranges, resulting in an indeterminable number of critical attack vectors, allowing remote...

CVE-2025-2691

Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery SSRF where an attacker can provide a hostname that resolves to a local or reserved IP address space and bypass the SSRF protection mechanism...

CVE-2025-2691

Versions of the package nossrf before 1.0.4 are vulnerable to Server-Side Request Forgery SSRF where an attacker can provide a hostname that resolves to a local or reserved IP address space and bypass the SSRF protection mechanism...

Cloudflare Public Bug Bounty: Using special IPv4-mapped IPv6 addresses to bypass local IP ban

Vulnerability description not provided...

Server-Side Request Forgery in private-ip

Insufficient RegEx in private-ip npm package v1.0.5 and below insufficiently filters reserved IP ranges resulting in indeterminate SSRF. An attacker can perform a large range of requests to ARIN reserved IP ranges, resulting in an indeterminable number of critical attack vectors, allowing remote...

GHSA-43CH-2H55-2VJ7 Server-Side Request Forgery in private-ip

Insufficient RegEx in private-ip npm package v1.0.5 and below insufficiently filters reserved IP ranges resulting in indeterminate SSRF. An attacker can perform a large range of requests to ARIN reserved IP ranges, resulting in an indeterminable number of critical attack vectors, allowing remote...

CVE-2020-28360

Insufficient RegEx in private-ip npm package v1.0.5 and below insufficiently filters reserved IP ranges resulting in indeterminate SSRF. An attacker can perform a large range of requests to ARIN reserved IP ranges, resulting in an indeterminable number of critical attack vectors, allowing remote...

CVE-2020-28360

Insufficient RegEx in private-ip npm package v1.0.5 and below insufficiently filters reserved IP ranges resulting in indeterminate SSRF. An attacker can perform a large range of requests to ARIN reserved IP ranges, resulting in an indeterminable number of critical attack vectors, allowing remote...

CVE-2020-28360

CVE-2020-28360 describes an SSRF vulnerability in the npm package private-ip (versions 1.0.5 and earlier). The root cause is an insufficient RegEx filter for reserved IP ranges, allowing an attacker to craft requests to ARIN/other reserved ranges, which can lead to remote server-side resource req...

Comodo, CAs Issue Forbidden Certificates

Certificate authority Comodo admits it incorrectly issued eight certificates that include forbidden internal server names or reserved IP addresses. In 2012, the Certificate Authority/Browser Forum banned the use of such designations for certs issued after Nov. 1, 2015. The decision was meant to c...