CVE-2026-18503
LOW
INFO
Priority: 0.00
BB Relevance:
20/100
Published: 2026-08-10
Modified: 2026-10-23
First seen: 2026-10-29
Status: active
Attack Surface
Low Complexity
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
Passive
S:
X
AT:
None
VC:
None
VI:
None
VA:
Low
Description
Attacker-controlled CSV samples can trigger super-linear regular-expression work during dialect sniffing and consume significant CPU when applications pass unbounded input to csv.Sniffer.sniff().