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CVE-2026-56860 is an algorithmic-complexity denial-of-service vulnerability in Go's net/url package. The resolvePath logic for relative paths containing parent-directory ("..") segments repeatedly performed string conversions and rewrote buffers at each resolution step. Crafted inputs with sufficient parent-directory segments could therefore cause quadratic execution time and excessive memory allocation. The corrected implementation resolves paths in a byte buffer and uses index-based backtracking for parent-directory handling.
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No public exploit code observed for this vulnerability.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability referenced by the Alma Linux ALSA-2026:60304 security advisory; no technical flaw description is provided in the content.
A vulnerability addressed by the AlmaLinux ALSA-2026-60305 security update; no technical flaw description is provided in the content.
A denial-of-service vulnerability in Go's net/url package arising from quadratic-complexity path resolution.
A denial-of-service vulnerability in Go's net/url package arising from quadratic complexity in path resolution.
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.