CVE-2026-48913 is a use-after-free vulnerability in the mod_http2 module of Apache HTTP Server. The flaw occurs when file handles are already exhausted, leading to a memory corruption condition in HTTP/2 processing. Apache HTTP Server versions 2.4.55 through 2.4.67 are affected. The issue was fixed in Apache HTTP Server 2.4.68.
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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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability in Apache HTTP Server mod_http2 affecting versions 2.4.55 through 2.4.67 when file handles are exhausted.
A vulnerability addressed in the Apache HTTP Server 2.4.68 security update.
Apache HTTP Server vulnerability affecting mod_http2, fixed in version 2.4.68.
Apache HTTP Server mod_http2 vulnerability causing improper stream handling and potential service disruption.
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.