Read the docs
TI-2019-08909 Aliases CVE-2019-11881GHSA-2p4g-jrmx-r34m

A vulnerability exists in Rancher before 2.2.4 in the login component, where the errorMsg…

Priority LOW 26Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

A vulnerability exists in Rancher before 2.2.4 in the login component, where the errorMsg parameter can be tampered to display arbitrary content, filtering tags but not special characters or symbols. There's no other limitation of the message, allowing malicious users to lure legitimate users to visit phishing sites with scare tactics, e.g., displaying a "This version of Rancher is outdated, please visit https://malicious.rancher.site/upgrading" message.

Why it matters now

EPSS 0.01969 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/rancher/rancher (Go)up to 2.1.4—No fix listedGHSA-2p4g-jrmx-r34m
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/rancher/rancher (Go) Vendor— Affected up to 2.1.4 Fixed in — No fix listed GHSA-2p4g-jrmx-r34m

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:suse:rancher:2.1.4:*:*:*:*:*:*:*2.1.4VulnerableSUSE
  • cpe:2.3:a:suse:rancher:2.1.4:*:*:*:*:*:*:* Versions 2.1.4 Vulnerable ·SUSE

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11881
  2. 2026-10-03 Alias added: GHSA-2p4g-jrmx-r34m

References

Exploit 1

Advisory 2

Other 3

  • TI-2021-14903 Rancher: Plaintext storage and exposure of credentials in Rancher API and cluster.management.cattle.io object CVSS 3.1CRITICAL 9.9
  • TI-2022-21489 Rancher: Non-random authentication token CVSS 3.1CRITICAL 9.8
  • TI-2019-08380 An issue was discovered that affects the following versions of Rancher: v2.0.0 through… CVSS 3.0CRITICAL 9.8
  • TI-2023-08827 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2023-08823 Improper privilege management in SUSE Rancher CVSS 3.1CRITICAL 9.9
  • TI-2022-21491 Rancher: Exposure of sensitive fields CVSS 3.1CRITICAL 9.9
See all 35 →

Sources

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