#broccoli2shell
Another day, another critical server exploit:
www.cve.org/CVERecord?id...

Out-of-Bounds Write in Google Brotli Decoder
AKA Node2Shell, Broccoli2Shell, or HTTP2Shell
9.2 CVE rating

Barely noon on Monday.
www.cve.org
November 2, 2026 at 5:35 PM
Microsoft releases emergency .NET patches for critical Brotli flaw buff.ly/fZbCzyH
Microsoft releases emergency .NET patches for critical Brotli flaw
Microsoft released emergency .NET security updates to patch a critical vulnerability known as Broccoli2Shell, also tracked as Node2Shell and HTTP2Shell.
ift.tt
October 30, 2026 at 8:44 PM
October 30, 2026 at 1:29 PM
Hinweise auf die schwerwiegenden Lücken gab in allen drei Fällen schon lange vor ihrer Behebung – ganz ohne KI. Sie hätten längst behoben sein sollen. #Security
heise+ | php2shell, Broccoli2Shell und „4“ zeigen, woran IT-Sicherheit krankt
Hinweise auf die schwerwiegenden Lücken gab in allen drei Fällen schon lange vor ihrer Behebung – ganz ohne KI. Sie hätten längst behoben sein sollen.
www.heise.de
October 30, 2026 at 8:04 AM
Detect and mitigate CVE-2026-111497, a critical Brotli decoder vulnerability enables remote code execution.
Broccoli2shell: Everything You Need To Know About The Critical Brotli Decoder Vulnerability | Wiz Blog
www.wiz.io
October 30, 2026 at 3:59 AM
NGL it gives me some pleasure to see this happening to JavaScript server side libraries. I hate it so much...
www.bleepingcomputer.com/news/securit...
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Sh...
www.bleepingcomputer.com
October 29, 2026 at 10:13 AM
CISA warns of hackers now exploiting critical Node2Shell flaw

On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. [...]
#hackernews #news
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. [...]
www.bleepingcomputer.com
October 29, 2026 at 8:56 AM
CISA warns of hackers now exploiting critical Node2Shell flaw

On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. [...]
#hackernews #news
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. [...]
www.bleepingcomputer.com
October 29, 2026 at 8:56 AM
UNDERCODE | CYBERSECURITY • VULNERABILITY INTELLIGENCE • OCTOBER 28, 2026 + Video

Node2Shell Enters CISA’s KEV Catalog as Security Researchers Detect Exploitation Attempts Against Brotli Vulnerability A critical vulnerability in Google’s Brotli compression library has escalated into an urgent…
UNDERCODE | CYBERSECURITY • VULNERABILITY INTELLIGENCE • OCTOBER 28, 2026 + Video
Node2Shell Enters CISA’s KEV Catalog as Security Researchers Detect Exploitation Attempts Against Brotli Vulnerability A critical vulnerability in Google’s Brotli compression library has escalated into an urgent security concern after the US Cybersecurity and Infrastructure Security Agency (CISA) added it to its Known Exploited Vulnerabilities (KEV) catalog. The flaw, tracked as CVE-2026-111497 and known as Node2Shell, HTTP2Shell, and Broccoli2Shell, could allow attackers to crash applications, expose sensitive process memory, and potentially execute arbitrary code.
undercodenews.com
October 28, 2026 at 10:05 PM
Brotli bug reaches far beyond Node.js (CVE-2026-111497)

A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, C…
#hackernews #news
Brotli bug reaches far beyond Node.js (CVE-2026-111497)
A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, CVE-2026-111497 is a remotely exploitable out-of-bounds write flaw that gained widespread attention after Node.js publicly disclosed it on October 21, 2026. “An attacker who can supply Brotli data that an application decompresses with node:zlib can corrupt process memory, which can lead to a crash, disclosure of process …
www.helpnetsecurity.com
October 28, 2026 at 9:09 PM
Brotli bug reaches far beyond Node.js (CVE-2026-111497)

A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, C…
#hackernews #news
Brotli bug reaches far beyond Node.js (CVE-2026-111497)
A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, CVE-2026-111497 is a remotely exploitable out-of-bounds write flaw that gained widespread attention after Node.js publicly disclosed it on October 21, 2026. “An attacker who can supply Brotli data that an application decompresses with node:zlib can corrupt process memory, which can lead to a crash, disclosure of process …
www.helpnetsecurity.com
October 28, 2026 at 9:09 PM
Determinate Nix version 3.24.1 is now out 🎉 and it includes important security fixes as well as a lovely new `nix top` command, improvements to GC and parallel eval, and much else besides. Our new changelog post has the full scoop 🔗

determinate.systems/blog/changel...
Changelog: an important security fix, nix top, faster garbage collection, parallel instantiation, and more
Determinate Nix 3.24.1 fixes the Broccoli2Shell Brotli vulnerability, adds a live nix top view of active builds, fixes a garbage collection slowdown in large evaluations, instantiates derivation…
determinate.systems
October 28, 2026 at 9:01 PM
CISA confirmó que ciberdelincuentes han comenzado a explotar una vulnerabilidad crítica de Brotli conocida como Node2Shell , Broccoli2Shell y HTTP2Shell. (Inglés)

Vía: @bleepingcomputer.com
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Sh...
www.bleepingcomputer.com
October 28, 2026 at 6:32 PM
I built a free open source scanner for CVE-2026-111497 (#Node2Shell #HTTP2Shell #Broccoli2Shell).

It checks the Brotli code in binaries, not version numbers: finds copies in Node.js, Python, .NET, Bun and sees distro backports.

github.com/depuschm/bro...

#infosec #cybersecurity
GitHub - depuschm/brotli-k8s-scan: Find vulnerable Brotli (CVE-2026-111497, Broccoli2Shell / Node2Shell / HTTP2Shell) in Kubernetes clusters, container images and Linux hosts. Checks the binaries them...
Find vulnerable Brotli (CVE-2026-111497, Broccoli2Shell / Node2Shell / HTTP2Shell) in Kubernetes clusters, container images and Linux hosts. Checks the binaries themselves, not just version numbers...
github.com
October 28, 2026 at 6:21 PM
■ 脆弱性の概要
CVE-2026-111497
通称:Node2Shell / Broccoli2Shell / HTTP2Shell
深刻度:Critical(CVSS v4.0:9.2)
Brotliのデータ展開処理に存在する境界外書き込みの脆弱性です。
攻撃者が細工した圧縮データを、脆弱なアプリケーションに処理させることで、認証なしにメモリ破壊、情報漏洩、サービス拒否、さらには任意コード実行につながる可能性があります。
October 28, 2026 at 3:47 PM
Node2Shell, falla critica nel decoder Brotli, è già sfruttata in attacchi reali. Vediamo come controllare la versione di Node.js, individuare installazioni vulnerabili anche in Docker e applicare gli aggiornamenti corretti.
Node2Shell, HTTP2Shell o Broccoli2Shell: come verificare se si è vulnerabili
Node2Shell, falla critica nel decoder Brotli, è già sfruttata in attacchi reali. Vediamo come controllare la versione di Node.js, individuare installazioni vulnerabili anche in Docker e applicare gli aggiornamenti corretti.
www.ilsoftware.it
October 28, 2026 at 3:00 PM
Node2Shell: ELLIO reprodujo ejecución de código en x86-64 sobre cuatro stacks y vio el primer intento de explotación (26-28/10)
Node2Shell: ELLIO reprodujo ejecución de código en x86-64 sobre cuatro stacks y vio el primer intento de explotación (26-28/10)
Sigue de lo de ayer, donde Broccoli2Shell aparecía todavía como una escritura fuera de límites en el decoder de Brotli alcanzable por cURL con la descompresión automática habilitada: el desarrollo nuevo es que la RCE dejó de ser un caso de laboratorio. A la prueba de concepto de Imperva en una…
elcompilado.com
October 28, 2026 at 3:00 PM
Broccoli2shell: Everything You Need To Know About The Critical Brotli Decoder Vulnerability | Wiz Blog #devopsish
Broccoli2shell: Everything You Need To Know About The Critical Brotli Decoder Vulnerability | Wiz Blog
Detect and mitigate CVE-2026-111497, a critical Brotli decoder vulnerability enables remote code execution.
www.wiz.io
October 28, 2026 at 2:55 PM
LOL!!! Wie der ebenfalls von Google entwickelte Algorithmus "Zopfli" ist "Brotli" nach der Schweizer Variante des Brötchens benannt! Demfall statt #Broccoli2Shell #BrotliSchimmel2Shell?
opensource.googleblog.com/2015/09/intr...
Introducing Brotli: a new compression algorithm for the internet
At Google, we think that internet users’ time is valuable, and that they shouldn’t have to wait long for a web page to load. Because fast is better...
opensource.googleblog.com
October 28, 2026 at 2:34 PM
4. Broccoli2Shell: The One Decoder We All Depend On (Semgrep)
5. AuthMask: Microsoft Authenticator hands tokens to an app with zero permissions (Enclave)
6. Code-execution flaw in UEFI firmware affects most servers on planet Earth (Ars Technica: IT)
October 28, 2026 at 1:00 PM
Node2Shell(HTTP2Shell)脆弱性をハッカーが悪用開始。CISAが警告。
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Sh...
www.bleepingcomputer.com
October 28, 2026 at 12:42 PM
CISA warns of hackers now exploiting critical Node2Shell flaw
CISA warns of hackers now exploiting critical Node2Shell flaw
On Tuesday, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed that hackers have begun exploiting a critical Brotli vulnerability known as Node2Shell, Broccoli2Shell, and HTTP2Shell. [...]
www.bleepingcomputer.com
October 28, 2026 at 11:12 AM