Critical Vulnerability in Squid Package: CVE-2026-62846

squid Updated 22 Oct 2026

Summary

17/09/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-62846: ... Affects squid versions 5.7-2 – 7.7-1. No fix is published. How to fix ↓

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Background

Squid is a widely used caching proxy for the web that supports HTTP, HTTPS, FTP, and more. It is designed to improve web performance by caching frequently requested content and reducing bandwidth usage. However, vulnerabilities in Squid can lead to security risks, including unauthorized access and data leakage. The current vulnerability, CVE-2026-62846, affects multiple Debian distributions, including Bookworm, Trixie, and Forky.

Vulnerability Detail

CVE-2026-62846 is a critical vulnerability that originates from a flaw in the Squid package. This vulnerability allows attackers to exploit the caching mechanism, potentially leading to unauthorized access to sensitive data. The ramifications of this vulnerability could include data breaches, service disruptions, and compromised user privacy. It is crucial for users of affected Debian distributions to address this issue promptly to mitigate risks.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary workaround, users can restrict access to the Squid proxy by configuring firewall rules to limit connections to trusted IP addresses only. This can help mitigate the risk of exploitation until a patch is applied.

Conclusion

CVE-2026-62846 poses a significant risk to users of the Squid package across multiple Debian distributions. It is essential to update to the latest patched version to mitigate potential threats. Users should also consider implementing temporary workarounds while awaiting updates.

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FAQ

CVE-2026-62846 is a critical vulnerability in the Squid package that allows attackers to exploit its caching mechanism, potentially leading to unauthorized access to sensitive data.

The vulnerability affects Squid packages in Debian distributions, specifically Bookworm, Trixie, and Forky.

You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.

If you cannot update Squid immediately, consider implementing firewall rules to restrict access to the proxy to trusted IP addresses as a temporary workaround.

Vulert monitors and alerts in real-time for open-source vulnerabilities using just a manifest file like package-lock.json, allowing users to stay informed about potential risks.

Related vulnerabilities

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How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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