CVE-2026-53039
CSIRTS triage
- What
- The ocfs2 filesystem needs to validate group add input before caching.
- Who is affected
- Users of the ocfs2 filesystem are affected.
- Urgency
- High urgency due to the potential for exploitation, although it is not currently exploited.
- Action
- Implement the recommended patches as soon as they are available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.
Advisory coverage (1)
- highCVE-2026-53039: ocfs2: validate group add input before cachingmsrc · 2026-06-09
External references
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[](https://www.csirts.com/cve/CVE-2026-53039)