CVE-2026-61455 is a denial-of-service vulnerability in Grav before version 2.0.1. The flaw is in ZipArchiver::extract(), which does not enforce limits on uncompressed archive size, extracted file count, or archive nesting depth during ZIP extraction. An attacker can provide a crafted ZIP archive designed to expand disproportionately when extracted, resulting in uncontrolled consumption of storage resources.
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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.
7 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.