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CVE-2026-5713 is a medium-severity CPython vulnerability in remote debugging support. CPython trusted debug-offset metadata obtained from a remotely inspected Python process without adequately validating reported structure sizes, alignments, and offsets before an unwinder or introspection consumer used them. A malicious or compromised target process could supply malformed offset tables that cause a privileged process connecting to it through remote debugging to perform out-of-bounds memory reads and writes. The affected functionality includes asyncio introspection in Python 3.14 and later and the profiling.sampling module in Python 3.15 and later.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.