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Squid web proxy heap over-read security flaw (CVE-2026-47729)

Vulnerability
First reported
Last updated
Happening score
H score 37
1 unique sources, 1 articles

Summary

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Squid web proxy is affected by CVE-2026-47729, a heap over-read that can leak another user's cleartext HTTP request, including credentials or session tokens, to another client on the same proxy.

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MongoDB CVE-2025-14847 active exploitation worldwide

Exploitation Wave
H score39 First: 29.12.2025 09:49 Last: 29.12.2025 09:49 Sources 1

About this happening: CVE-2025-14847 is being actively exploited against MongoDB deployments, putting a global pool of 87,000+ potentially susceptible instances at risk. The wave matter...

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MongoDB Server CVE-2025-14847 mitigation advisory

Advisory/Mitigation
H score84 First: 24.12.2025 16:18 Last: 24.12.2025 16:18 Sources 1

About this happening: MongoDB issued an immediate mitigation advisory for CVE-2025-14847, warning that MongoDB Server deployments face a high-severity memory-read flaw that unauthenti...

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Exploitation Wave
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About this happening: CVE-2025-2783 is being actively exploited in Google Chrome against organizations in Russia and Belarus, creating sandbox-escape and payload-delivery risk for exposed b...

Latest development: 17.12.2025 16:54

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Open Happening

Timeline

  1. 22.06.2026 17:29 2 articles · 23d ago

    Calif.io discloses Squidbleed heap over-read in Squid web proxy

    Initial Disclosure

    Calif.io discloses Squidbleed (CVE-2026-47729), a heap over-read in the Squid web proxy that can leak another user's cleartext HTTP request, including credentials or session tokens, to another client already allowed to use the same proxy. The flaw traces to a 1997 FTP-parsing change, remains live in Squid's default configuration, has public proof-of-concept code, and carries mitigation guidance to verify the FtpGateway.cc fix or disable FTP where it is not needed.

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