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CVSS 8.0 HIGH 🔴 ACTIVELY EXPLOITED Security Vulnerability

CVE-2026-43503: DirtyClone (CVE-2026-43503): JFrog's catch on the DirtyFrag fix regression, with a detect…

<!-SC_OFF --><div class="md"><p>JFrog published a finding today on a regression in the DirtyFrag kernel fix. They named it DirtyClone (CVE-2026-43503).</p> <p>It is the same corru…

8.0CVSS Score
HIGHSeverity
NOCISA KEV
Security VulnerabilityImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-43503
Vendorreddit_cyber
Affected ProductThreat Intelligence
Vulnerability TypeSecurity Vulnerability
CVSS Score8.0 (HIGH)
Actively Exploited✅ Yes
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via reddit_cyber)

🔬 Technical Analysis

<!-- SC_OFF --><div class="md"><p>JFrog published a finding today on a regression in the DirtyFrag kernel fix. They named it DirtyClone (CVE-2026-43503).</p> <p>It is the same corruption primitive as the DirtyFrag family (CVE-2026-43284 / CVE-2026-43500), reached through a different path. The original patch closed the known trigger but left the primitive reachable.</p> <p>DirtyClone routes the payload through the netfilter TEE clone target, which walks straight around the fix. Auditing adjacent paths for the same primitive was a clean idea on their part.</p> <p>They didn't provide an exploit.. I could not avoid. And, guess what ? Detectable by cool #eBPF code! (same line of our <a href="https://medium.com/@migg

🎯 Known Indicators of Compromise

{"type":"url","value":"https://medium.com/@miggo-engineering/">think-outside-the-box","confidence_score":0.82,"first_seen":"2026-06-26","source_count":1} {"type":"url","value":"https://github.com/rafaeldtinoco/security/tree/main/exploits/dirtyclone">https://github.com/","confidence_score":0.82,"first_seen":"2026-06-26","source_count":1} {"type":"url","value":"https://research.jfrog.com/post/dissecting-and-exploiting-linux-lpe-variant-dirtyclone-cve-2026-4350","confidence_score":0.82,"first_seen":"2026-06-26","source_count":1} {"type":"url","value":"https://www.reddit.com/user/rafael-d-tinoco">","confidence_score":0.82,"first_seen":"2026-06-26","source_count":1} {"type":"domain","value":"medium.com","confidence_score":0.75,"first_seen":"2026-06-26","source_count":1} {"type":"domain","value":"research.jfrog.com","confidence_score":0.75,"first_seen":"2026-06-26","source_count":1} {"type":"domain","value":"www.reddit.com","confidence_score":0.75,"first_seen":"2026-06-26","source_count":1}

📚 Advisory References

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