Bundesamt für Sicherheit in der Informationstechnik Open Source · Squid: Mehrere Schwachstellen
Affects Bundesamt für Sicherheit in der Informationstechnik Open SourceSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited : upgrade to 7.6 when convenient.
Data as of 1 Nov 2026, 22:58 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 1.5% chance of exploitation in 30 days – higher than 74% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.6
Exploitation evidence
Disclosed: evidence found.
CVE published 14 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.
What to do
Upgrade squid-cache/squid to 7.6.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubsquid-cache/squidpkg:github/squid-cache/squidOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Squid ist ein Open-Source Web Proxy Cache für Unix und Windows Plattformen. Die Software unterstützt Proxying und Caching von HTTP, FTP und anderen Protokollen, sowie SSL und Access Control Lists.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1920.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1920 (opens in a new tab)
- seclists.org/oss-sec/2026/q2/896 (opens in a new tab)
- github.com/squid-cache/squid/commit/865a131c7d557e68c965043d98c2eccae26deef8.patch (opens in a new tab)
- github.com/squid-cache/squid/commit/19fcfe922717c8b255270c032dcde4071c003bcd.patch (opens in a new tab)
- blog.calif.io/p/squidbleed-cve-2026-47729 (opens in a new tab)
- github.com/califio/publications/tree/main/MADBugs/squidbleed (opens in a new tab)