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CVE-2026-15143 is a vulnerability in the file_type content detector of guardrails-detectors, including affected Red Hat OpenShift AI packages tied to this component. The flaw arises because attacker-supplied XML Schema Definition (XSD) content is processed without adequate restrictions. By providing a crafted XSD string, a remote attacker can cause the vulnerable component to resolve external or local resources during schema processing. This behavior can trigger server-side requests to arbitrary network locations and can also permit local file reads, creating a path to sensitive information disclosure and unintended interaction with internal services.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.