CVE-2022-38580

Skipper vulnerable to SSRF via X-Skipper-Proxy

9.8 CriticalPublic exploitFix available

Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

15.9%Up 14.9 points since Oct 26, 2022

What each source reports

NVD Score used 9.8

Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).

Record: CVE-2022-38580
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

CVE List 9.8

Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).

Record: CVE-2022-38580
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

EUVDEUVD-2022-7084 9.8

Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).

Record: EUVD-2022-7084
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-f2rj-m42r-6jm2 9.8

Skipper vulnerable to SSRF via X-Skipper-Proxy

Impact

Skipper prior to version v0.13.236 is vulnerable to server-side request forgery (SSRF). An attacker can exploit a vulnerable version of proxy to access the internal metadata server or other unauthenticated URLs by adding an specific header (X-Skipper-Proxy) to the http request.

Patches

The problem was patched in version https://github.com/zalando/skipper/releases/tag/v0.13.237. Users need to upgrade to skipper >=v0.13.237.

Workarounds

Use dropRequestHeader("X-Skipper-Proxy") filter

References

https://github.com/zalando/skipper/releases/tag/v0.13.237

For more information

If you have any questions or comments about this advisory:

Open an issue in https://github.com/zalando/skipper/issues/new/choose
Chat with us in slack: https://app.slack.com/client/T029RQSE6/C82Q5JNH5

Record: GHSA-f2rj-m42r-6jm2
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

OSV 9.8

Zalando Skipper v0.13.236 is vulnerable to Server-Side Request Forgery (SSRF).

Record: CVE-2022-38580
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-f2rj-m42r-6jm2 9.8

Skipper vulnerable to SSRF via X-Skipper-Proxy

Impact

Patches

The problem was patched in version https://github.com/zalando/skipper/releases/tag/v0.13.237. Users need to upgrade to skipper >=v0.13.237.

Workarounds

Use dropRequestHeader("X-Skipper-Proxy") filter

References

https://github.com/zalando/skipper/releases/tag/v0.13.237

For more information

If you have any questions or comments about this advisory:

Open an issue in https://github.com/zalando/skipper/issues/new/choose
Chat with us in slack: https://app.slack.com/client/T029RQSE6/C82Q5JNH5

Record: GHSA-f2rj-m42r-6jm2
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

OSVGO-2022-1086 No score

Server-side request forger via X-Skipper-Proxy in github.com/zalando/skipper

An attacker can access the internal metadata server or other unauthenticated URLs by adding a specific header (X-Skipper-Proxy) to the http request.

Record: GO-2022-1086
Updated: 2026-11-02

Affected products

zalando skipper

Affected packages

Affected packages
Package	Affected	Fixed
`github.com/zalando/skipper` Go	before 0.13.237	0.13.237

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	X-Skipper-Proxy v0.13.237 - Server Side Request Forgery (SSRF)	2023-03-28

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-38580 is a critical vulnerability (CVSS 9.8) in Zalando Skipper, published October 24, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.9%, the 96th percentile. Fixed in github.com/zalando/skipper 0.13.237.

References

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