Mechanize before v2.8.5 vulnerable to authorization header leak on port redirect

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.015, the 74th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 9 Jun 2022. New records show when each source confirmed them.

Sources

• GitHub Advisory Database: GHSA-64qm-hrgp-pgr9
• OSV: GHSA-64qm-hrgp-pgr9
• github.com/sparklemotion/mechanize/security/advisories/GHSA-64qm-hrgp-pgr9
• nvd.nist.gov/vuln/detail/CVE-2022-31033
• github.com/sparklemotion/mechanize/commit/c7fe6996a5b95f9880653ba3bc548a8d4ef72317
• github.com/rubysec/ruby-advisory-db/blob/master/gems/mechanize/CVE-2022-31033.yml
• github.com/sparklemotion/mechanize

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.