What’s Vulnerable › Vulnerabilities

CVE-2022-23553: URL access filters bypass in Alpine

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-28 · updated 2026-06-17
• Weakness: CWE-863

Description

Alpine is a scaffolding library in Java. Alpine prior to version 1.10.4 allows URL access filter bypass. This issue has been fixed in version 1.10.4. There are no known workarounds.

Affected products

• stevespringett alpine: before 1.10.4 — fixed in 1.10.4

How to fix

Upgrade to a fixed version: stevespringett alpine 1.10.4. Check the vendor advisory for mitigations.

References

• https://github.com/stevespringett/Alpine/blob/alpine-parent-1.10.2/alpine/src/main/java/alpine/filters/BlacklistUrlFilter.java#L107-L121
• https://github.com/stevespringett/Alpine/blob/alpine-parent-1.10.2/alpine/src/main/java/alpine/filters/WhitelistUrlFilter.java#L115-L127
• https://securitylab.github.com/advisories/GHSL-2021-1009-Alpine/
• https://github.com/stevespringett/Alpine/blob/alpine-parent-1.10.2/alpine/src/main/java/alpine/filters/BlacklistUrlFilter.java#L107-L121
• https://github.com/stevespringett/Alpine/blob/alpine-parent-1.10.2/alpine/src/main/java/alpine/filters/WhitelistUrlFilter.java#L115-L127
• https://securitylab.github.com/advisories/GHSL-2021-1009-Alpine/

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