TI-2022-07607 Aliases CVE-2022-23554 GHSA-whr2-9x5f-5c79

Authentication bypass in Alpine

LOW 36CWE-287Published 2022-12-28 · Updated 2025-04-10

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287.

Summary

Alpine is a scaffolding library in Java. Alpine prior to version 1.10.4 allows Authentication Filter bypass. The AuthenticationFilter relies on the request URI to evaluate if the user is accessing the swagger endpoint. By accessing a URL with a path such as /api/foo;%2fapi%2fswagger the contains condition will hold and will return from the authentication filter without aborting the request. Note that the principal object will not be assigned and therefore the issue wont allow user impersonation. This issue has been fixed in version 1.10.4. There are no known workarounds.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00716 54th percentileScored 2026-11-07

Fix Fixed alpine (stevespringett): 1.10.4us.springett:alpine (Maven): 1.10.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
stevespringett	alpine	before 1.10.4	1.10.4	Patch available	CNA
—	us.springett:alpine (Maven)	before 1.10.4	1.10.4	Patch available	GHSA-whr2-9x5f-5c79

alpine Vendorstevespringett Affected before 1.10.4 Fixed in 1.10.4 Patch available CNA
us.springett:alpine (Maven) Vendor— Affected before 1.10.4 Fixed in 1.10.4 Patch available GHSA-whr2-9x5f-5c79

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:alpine_project:alpine::::::::	before 1.10.4	Vulnerable	Alpine Project

cpe:2.3:a:alpine_project:alpine:*:*:*:*:*:*:*:* Versions before 1.10.4 Vulnerable ·Alpine Project

Remediation

Fix · CNA alpine (stevespringett) Fixed in 1.10.4
Fix · GHSA-whr2-9x5f-5c79 us.springett:alpine (Maven) Fixed in 1.10.4 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2022-23554
2026-10-03 Alias added: GHSA-whr2-9x5f-5c79
2026-10-08 EPSS moved to the 50th–90th percentile

References

Patch 1

https://github.com/stevespringett/Alpine/blob/f03dbda46229c26145a5f9f7f2660cc2c386be02/alpine/src/main/java/alpine/filters/AuthenticationFilter.java#L58-L60

Advisory 4

Other 2

TI-2022-07606 URL access filters bypass in Alpine CVSS 3.1HIGH 7.5
TI-2020-11740 Alpine before 2.23 silently proceeds to use an insecure connection after a /tls is sent… CVSS 3.1HIGH 7.5
TI-2021-15974 In Alpine before 2.25, untagged responses from an IMAP server are accepted before STARTTLS. CVSS 3.1MEDIUM 5.9
TI-2021-21535 Alpine before 2.25 allows remote attackers to cause a denial of service (application… CVSS 3.1MEDIUM 5.9

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences