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Response snapshot Oct 27, 2026, 04:12 UTC

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Vulnerabilitythehackernews-nodejs-brotli-decoder-bug-could-allow-4681e139a804

Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions

Node.js released security updates on October 21 for its three supported release lines, 22.x, 24.x and 26.x, fixing 10 flaws. The most serious is a bug in the Brotli decompression code that Node.

At a glance

Exploited
Not known
Severity
Not scored yet
Chance of exploitation
Not estimated
Sources
1 source

What to do

Check the vendor advisory linked from the article for affected versions and fixes.

Read The Hacker News: Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions (opens a new tab)

What happened

Node.js released security updates on October 21 for its three supported release lines, 22.x, 24.x and 26.x, fixing 10 flaws. The most serious is a bug in the Brotli decompression code that Node.js bundles, which the project says can allow remote code execution, meaning an attacker could run code of their choosing on the affected system.

Each supported line has one fixed version:

Related technology

Sources

  1. Reporting

    The Hacker News: Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions (opens a new tab)

    The article reports this vulnerability. It is reporting, not independently primary-confirmed or locally reviewed.

    Published Checked

  2. Reporting

    The Hacker News syndication feed (opens a new tab)

    The RSS/Atom/RDF entry supplied this exact link and any available title, date, and excerpt.

    Published Date not suppliedChecked

Cite this record

For factual claims, cite the primary sources above; cite KEVWire for its compilation, dates, and classifications.

APA

KEVWire. (2026, October 22). Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions. https://kevwire.com/record/thehackernews-nodejs-brotli-decoder-bug-could-allow-4681e139a804

MLA

"Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions." KEVWire, 22 Oct. 2026, kevwire.com/record/thehackernews-nodejs-brotli-decoder-bug-could-allow-4681e139a804.

Chicago

KEVWire. "Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions." Last modified October 22, 2026. https://kevwire.com/record/thehackernews-nodejs-brotli-decoder-bug-could-allow-4681e139a804.

Evidence summary (plain text)

Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions (Oct 22, 2026).
Node.js released security updates on October 21 for its three supported release lines, 22.x, 24.x and 26.x, fixing 10 flaws. The most serious is a bug in the Brotli decompression code that Node.js bundles, which the project says can allow remote code execution, meaning an attacker could run code of their choosing on the affected system.

Each supported line has one fixed version:
Sources:
The Hacker News: Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions: https://thehackernews.com/2026/10/nodejs-brotli-decoder-bug-could-allow.html
The Hacker News syndication feed: https://feeds.feedburner.com/TheHackersNews
Record ID: thehackernews-nodejs-brotli-decoder-bug-could-allow-4681e139a804.
Record origin: Ingested record.
AI evidence: Not assessed.
Known exploitation: Not assessed.
Zero-day status: Not assessed. KEV membership alone does not establish zero-day status.
About this data

This record was ingested from a data source. Retrieved: Oct 27, 2026, 04:10 UTC. Ingestion is not an independent editorial investigation.

Syndicated reporting, unreviewed by KEVWire and not independently primary-confirmed. Consult the exact article and any primary disclosure it links.

A CISA KEV listing documents known exploitation, not necessarily a zero-day; absence from the catalog does not prove a vulnerability has never been exploited.

Technology tags indicate possible relevance, not verified exposure. Confirm the affected product, version, and configuration against your own inventory; KEVWire does not scan your systems.

A personal reading checklist on this device, not verified remediation.

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