Description
The crewjam/saml go library prior to version 0.4.9 is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements. This issue has been corrected in version 0.4.9. There are no workarounds other than upgrading to a fixed version.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| crewjam | saml | < 0.4.9 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | golang-github-crewjam-saml | No fix yet | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/crewjam/saml | < 0.4.9 | 0.4.9 | GHSA-j2jp-wvqg-wc2g |
Advisories 2
- WID-SEC-2022-2338 Red Hat Enterprise Linux (Advanced Cluster Management): Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 3, 2026
- WID-SEC-2023-0202 Grafana: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 23, 2024