Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS ยท updates https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 A second wave of the Shai-Hulud worm ran in npm preinstall scripts (setup_bun.js), stole credentials with TruffleHog and pushed them to public GitHub repos, then republished packages with any npm tokens it found. Datadog counted 796 backdoored packages with 20M+ weekly downloads; Wiz saw 25,000+ attacker repos. en Wed, 26 Nov 2025 00:00:00 GMT Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: GitHub privatizes malicious repos; public count drops to ~300 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-26-e895300e Wed, 26 Nov 2025 00:00:00 GMT critical <p><a href="https://www.wiz.io/blog/shai-hulud-2-0-ongoing-supply-chain-attack">Source</a></p> Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: PostHog publishes its post-mortem https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-26-071de134 Wed, 26 Nov 2025 00:00:00 GMT critical <p><a href="https://posthog.com/blog/nov-24-shai-hulud-attack-post-mortem">Source</a></p> Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: First compromised package published (03:10 UTC) https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-24-a40a30f5 Mon, 24 Nov 2025 00:00:00 GMT critical <p><a href="https://panther.com/blog/a-data-driven-analysis-of-the-sha1-hulud-2-0-campaign">Source</a></p> Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: PostHog SDKs compromised (04:11 UTC); removed and tokens revoked by 09:30 UTC https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-24-32c4974b Mon, 24 Nov 2025 00:00:00 GMT critical <p><a href="https://posthog.com/blog/nov-24-shai-hulud-attack-post-mortem">Source</a></p> Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: Postman unpublishes 17 infected packages (51 versions) https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-24-3ec9d1b5 Mon, 24 Nov 2025 00:00:00 GMT critical <p><a href="https://blog.postman.com/engineering/shai-hulud-2-0-npm-supply-chain-attack/">Source</a></p> Shai-Hulud 2.0: worm backdoors ~800 npm packages incl. Zapier, PostHog, Postman, ENS: Last compromised package seen (~17:00-18:00 UTC) https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025 https://pwn.watch/i/shai-hulud-2-npm-worm-november-2025#2025-11-24-972490dc Mon, 24 Nov 2025 00:00:00 GMT critical <p><a href="https://securitylabs.datadoghq.com/articles/shai-hulud-2.0-npm-worm/">Source</a></p>