Critical severity9.8NVD Advisory· Published Feb 9, 2026· Updated Apr 15, 2026

CVE-2026-22903

Description

An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Lighttpd/Lighttpdllm-fuzzy

Patches

Vulnerability mechanics

References

certvde.com/de/advisories/VDE-2026-004nvd

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000