# CrowdSec v1.8.1

- Product: CrowdSec (https://whatsnew.fyi/product/crowdsec)
- Vendor: CrowdSec
- Date: 2026-09-03
- Version: v1.8.1
- Original notes: https://github.com/crowdsecurity/crowdsec/releases/tag/v1.8.1
- Permalink: https://whatsnew.fyi/product/crowdsec/releases/v1.8.1
- Labels: Platforms: Windows, Linux

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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- **fixed** — Fix false positive in bot detection feature for Brave Browser with shields enabled
- **added** — Add HasValidChallengeCookie() helper
- **fixed** — Return an empty slice instead of null when querying alerts in lapi
- **fixed** — Tolerate strings instead of struct in FP payload for challenges

This release fixes a false positive in the bot detection feature for Brave Browser with shields enabled.

##### Changes

##### Improvements

* add HasValidChallengeCookie() helper (#4648) @blotus

##### Bug Fixes

*  lapi: return an empty slice instead of null when querying alerts (#4653) @blotus
* challenge: tolerate strings instead of struct in FP payload (#4655) @blotus

##### Geolite2 notice

This product includes GeoLite2 data created by MaxMind, available from <a href="https://www.maxmind.com">https://www.maxmind.com</a>.

##### Installation

Take a look at the [installation instructions](https://doc.crowdsec.net/docs/getting_started/install_crowdsec).