Alpine allows Authentication Filter bypass

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 0.0072, the 53rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:13 UTC First seen by agentprime
2. 31 Oct 2026, 15:13 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-whr2-9x5f-5c79
• OSV: GHSA-whr2-9x5f-5c79
• nvd.nist.gov/vuln/detail/CVE-2022-23554
• github.com/stevespringett/Alpine
• github.com/stevespringett/Alpine/blob/f03dbda46229c26145a5f9f7f2660cc2c386be02/alpine/src/main/java/alpine/filters/AuthenticationFilter.java#L58-L60
• github.com/stevespringett/Alpine/releases/tag/alpine-parent-1.10.4
• securitylab.github.com/advisories
• securitylab.github.com/advisories/GHSL-2021-1010-Alpine

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.