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CVE-2025-12548VulnerabilityPublished Updated

CVE-2025-12548: Red Hat OpenShift Dev Spaces (RHOSDS) 3.22 · Missing Authentication

Affects Red Hat OpenShift Dev Spaces (RHOSDS) 3.22Source CVE Database V5

0

Not known to be exploited · public exploit available (Metasploit) · CVSS 9.0 Critical.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
9.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.2% chance of exploitation in 30 days – higher than 70% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    1 Metasploit module

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Red HatRed Hat OpenShift Dev Spaces (RHOSDS) 3.22Affected–Fixed in–
Red HatRed Hat OpenShift Dev Spaces (RHOSDS) 3.23Affected–Fixed in–
Red HatRed Hat OpenShift Dev Spaces (RHOSDS) 3.24Affected–Fixed in–

AI-suggested

To mitigate CVE-2025-12548, organizations should immediately apply any available patches or updates released by Red Hat for OpenShift Dev Spaces 3.22. If patches are not yet available, restrict network access to TCP port 3333 to trusted internal hosts only, using firewall rules or network segmentation to prevent unauthorized external access. Implement strict access controls and authentication mechanisms on the JSON-RPC / websocket API if possible, or disable the exposed API endpoint if it is not required. Monitor network traffic for unusual activity targeting port 3333 and audit developer workspace containers for signs of compromise. Employ container security best practices such as least privilege, secrets management, and runtime monitoring to detect and prevent lateral movement. Regularly review and rotate SSH keys and tokens stored within developer environments. Finally, educate developers and administrators about the risks of exposed internal APIs and enforce secure configuration baselines for containerized development platforms.

Description

A flaw was found in Eclipse Che che-machine-exec. This vulnerability allows unauthenticated remote arbitrary command execution and secret exfiltration (SSH keys, tokens, etc.) from other users' Developer Workspace containers, via an unauthenticated JSON-RPC / websocket API exposed on TCP port 3333.

References

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