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CVE-2026-58183 is an input-handling vulnerability in the Apache Traffic Server prefetch plugin. The plugin can crash while processing attacker-influenced input, indicating improper validation or handling of untrusted data within the plugin’s request-processing logic. The issue affects Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Successful exploitation results in a plugin crash and service instability, with impact limited to availability based on the published scoring and descriptions.
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What an attacker gets, and what they’ve been doing with it.
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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.
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability referenced in a Fedora security update for the trafficserver package; no further technical details are provided in the content.
A vulnerability referenced in a Fedora security update for the trafficserver package; specific technical details are not provided in the content.
A critical or high-severity vulnerability in Apache Traffic Server addressed by released security updates.
A vulnerability in the Apache Traffic Server prefetch plugin that can cause a crash when processing attacker-influenced input, resulting in a denial-of-service condition.
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.