Race condition in OpenNebula
Priority HIGH 70CWE-362Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
OpenNebula Community Edition (CE) before 7.0.0 and Enterprise Edition (EE) before 6.10.3 have a critical FireEdge race condition that can lead to full account takeover. By exploiting this, an unauthenticated attacker can obtain a valid JSON Web Token (JWT) belonging to a legitimate user without knowledge of their credentials.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00407 35th percentileScored 2026-11-07
Fix Fixed OpenNebula (OpenNebula): 6.10.3, 7.0.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| OpenNebula | OpenNebula | Enterprise Edition to before 6.10.3; Community Edition to before 7.0.0 | 6.10.3, 7.0.0 | Patch available | CNA |
- OpenNebula VendorOpenNebula Affected Enterprise Edition to before 6.10.3; Community Edition to before 7.0.0 Fixed in 6.10.3, 7.0.0 Patch available CNA
Remediation
- Fix · CNA OpenNebula (OpenNebula) Fixed in 6.10.3, 7.0.0
Timeline
- 2026-10-02 Threatist record created from CVE-2025-54955
- 2026-10-03 Alias added: GHSA-236c-586c-7q48
References
Other 5
- https://github.com/OpenNebula/one
- https://github.com/Stolichnayer/OpenNebula-Account-Takeover
- https://docs.opennebula.io/6.10/intro_release_notes/release_notes_enterprise/resolved_issues_6103.html
- https://github.com/OpenNebula/one/releases/tag/release-7.0.0
- https://github.com/OpenNebula/one/commit/81058d9705e7ac619d294423de28b76d88f613b6
More OpenNebula vulnerabilities
- TI-2025-35367 A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 and fixed in… CVSS 3.1MEDIUM 6.1
- TI-2025-35366 A stored cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows… CVSS 3.1MEDIUM 6.1
- TI-2025-35365 A cross-site scripting (XSS) vulnerability in opennebula v6.10.0.1 allows attackers to… CVSS 3.1MEDIUM 6.1
- TI-2025-35364 A cross-site scripting (XSS) vulnerability in the custom authenticator driver of… CVSS 3.1MEDIUM 6.1
- TI-2022-17492 The FILES directive inside a VM template allows execution of uploaded files when the… CVSS 3.1CRITICAL 9.9
- TI-2022-17493 Unrestricted Upload of File with Dangerous Type vulnerability in OpenNebula OpenNebula… CVSS 3.1HIGH 7.5
Sources
- CVE-2025-54955 · CVE Program
- CVE-2025-54955 · NVD
- FIRST EPSS
- GHSA-236c-586c-7q48 · GitHub Advisory Database · CC BY 4.0
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