PT-2026-83269

PLANET GS-4210-16P2S firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The web smtp test post handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with...

CVE-2026-77218: Stack-based Buffer Overflow

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains authenticated stack buffer overflow vulnerabilities in /cgi-bin/dispatcher.cgi. The webloginfirstpost handler copies the usrPass POST parameter into a fixed-size stack buffer without length validation, the websysenablePasswdpost handle...

CVE-2026-77217: Stack-based Buffer Overflow

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains authenticated stack buffer overflow and null pointer dereference vulnerabilities in /cgi-bin/dispatcher.cgi. The webradiusSrvpost family of handlers copies the radKey, radKey0, radDftParamKey, radName, and radIp POST parameters into...

CVE-2026-75126: Stack-based Buffer Overflow

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains multiple authenticated stack buffer overflow vulnerabilities in /cgi-bin/dispatcher.cgi. The following handlers copy attacker-controlled POST parameters into fixed-size stack buffers without length validation:...

CVE-2026-75123: Improper Neutralization of Special Elements used in an OS Command

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The websmtptestpost handler incorporates a caller-supplied SMTP server value directly into a shell command without sanitization. A remote attacker with...

CVE-2026-75125: NULL Pointer Dereference

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated null pointer dereference vulnerability in /cgi-bin/dispatcher.cgi. The webpoealivermtippost handler dereferences the rmtIP parameter without verifying its presence. A remote authenticated attacker can send a crafted...

CVE-2026-75124: Buffer Copy without Checking Size of Input

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains a pre-authentication memory corruption vulnerability in the web management interface where the readHttpParam function copies an oversized HTTP query string without guaranteeing NUL termination, allowing parsequerystring to process...

CVE-2026-75122: Improper Neutralization of Special Elements used in an OS Command

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/httpuploadcert.cgi. The certificate password field in a certificate upload request is incorporated into a shell command without sanitization of shell metacharacters. A...

CVE-2026-75121: Improper Neutralization of Special Elements used in an OS Command

PLANET GS-4210-16P2S V3 firmware before 3.441b260626 contains an authenticated OS command injection vulnerability in /cgi-bin/dispatcher.cgi. The webvlanmembershipeditdialogpost handler incorporates the memberTags POST parameter into a shell command without sanitization. A remote authenticated...

EUVD-2026-44573

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

CVE-2026-5270

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

CVE-2026-5270 Authentication Bypass in Navigator and Blue Planet Products

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

CVE-2026-5270

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

CVE-2026-5270

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite (NCS) , Manage Control Plan (MCP) , and Blue Planet products. The root cause is improper handling of HTTP request paths and headers , which enables an unauthenticated attacker to manipulate ...

CVE-2026-5270 Authentication Bypass in Navigator and Blue Planet Products

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

PT-2026-58865

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

CVE-2026-5270: Improper Authentication

An authentication bypass vulnerability exists in certain releases of Ciena Navigator Network Control Suite NCS, Manage Control Plan MCP, and Blue Planet products. The issue is caused by improper handling of HTTP request paths and headers, which allows an unauthenticated attacker to manipulate...

OpenAI Expands Daybreak With GPT-5.5-Cyber to Help Defenders Patch Security Flaws

OpenAI on Monday said it's releasing an improved version of its GPT‑5.5‑Cyber model to trusted defenders as part of the Daybreak initiative the artificial intelligence AI company announced last month. Calling GPT‑5.5‑Cyber its "strongest model yet for finding and helping patch software...

OpenAI Launches Full-Scale Effort to Patch Open-Source Bugs as It Takes on Anthropic’s Mythos

Amid concerns about AI models’ cybersecurity capabilities, OpenAI revealed an improved version of GPT-5.5-Cyber and its “Patch the Planet” initiative to fix open-source software bugs...

The vulnerability of the web server of the microprogrammed software for industrial-controlled switches PLANET IGS-5225-8P2T4S allows a intruder to trigger a service failure or execute arbitrary code.

The vulnerability of the web server of the microprogrammed software for industrial-controlled switches PLANET IGS-5225-8P2T4S lies in the escape of operations beyond the buffer in memory. Exploiting this vulnerability can allow an attacker to cause service failures or execute arbitrary code...