# Burp Suite Professional / Community 2026.4.3

- Product: Burp Suite (https://whatsnew.fyi/product/burp-suite)
- Vendor: PortSwigger
- Date: 2026-05-13
- Original notes: https://portswigger.net/burp/releases/professional-community-2026-4-3
- Permalink: https://whatsnew.fyi/product/burp-suite/releases/feed-professional-community-2026-4-3
- Labels: Platforms: Desktop

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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This release fixes a high-impact vulnerability in browser-based crawling of malicious websites on Windows. We'd like to thank bug bounty hunter Masahiro Kawada (@kawakatz) for reporting this. We've al

- **security** — Fix a high-impact vulnerability in browser-based crawling of malicious websites on Windows