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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 2 weeks ago

Inside PostHog: SSRF, ClickHouse SQL Escape and Default Postgres Creds to RCE

https://mdisec.com/inside-posthog-how-ssrf-a-clickhouse-sql-escaping-0day-and-default-postgresql-credentials-formed-an-rce-chain-zdi-25-099-zdi-25-097-zdi-25-096/

#HackerNews #InsidePostHog #SSRF #ClickHouse #RCE #Cybersecurity

Mehmet Ince @mdisec

Inside PostHog: How SSRF, a ClickHouse SQL Escaping 0day, and Default PostgreSQL Credentials Formed an RCE Chain (ZDI-25-099, ZDI-25-097, ZDI-25-096) - Mehmet Ince @mdisec

It was yet another day at the office. Our team was internally discussing moving to a different platform analytics solution. Our team was really leaning more towards Posthog. It’s one of the brilliant -I personally believe it’s the best- products on the market. And that’s where the story has begun… We have a somewhat unconventional—some […]
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Hacker News
Hacker News
@h4ckernews@mastodon.social  ·  activity timestamp 3 weeks ago

Pg_ClickHouse: A Postgres extension for querying ClickHouse

https://clickhouse.com/blog/introducing-pg_clickhouse

#HackerNews #Pg_ClickHouse #Postgres #ClickHouse #Database #Extension #Querying #Tools

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Djoerd Hiemstra 🍉
Djoerd Hiemstra 🍉
@djoerd@idf.social  ·  activity timestamp last month

It turns out a misconfigured #ClickHouse #SQL query brought down the internet managed by #Cloudflare... #Databases

https://blog.cloudflare.com/18-november-2025-outage/

The Cloudflare Blog

Cloudflare outage on November 18, 2025

Cloudflare suffered a service outage on November 18, 2025. The outage was triggered by a bug in generation logic for a Bot Management feature file causing many Cloudflare services to be affected.
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Daniel Quinn
Daniel Quinn
@danielquinn@mastodon.social  ·  activity timestamp 2 months ago

Hey UK-based data nerds! You should come work with me: https://cfpenergy.recruitee.com/o/data-engineer-4

Our tech stack: #Python #Kafka #Kubernetes, and #Clickhouse

#Fedihire #GetFediHired

CFP Energy (UK) Ltd

CFP Energy (UK) Ltd - Data Engineer

Role:  We’re looking for a Senior Data Engineer to help design, build, and scale the data infrastructure that powers our products and decision-making. You’ll play a key role in shaping how data flows
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