Information disclosure in Squid-cache Squid

CVE-2025-62168

Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protect…

EPSS: 0.162 (94.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-62168?
CVE-2025-62168 is a critical-severity vulnerability in Squid-cache Squid, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 10.0/10. Published 2025-10-17.
How severe is CVE-2025-62168?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2025-62168 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.