High (7.5). EPSS 2.1% chance of exploitation in the next 30 days.
Improper Input Validation vulnerability in handling the Transfer-Encoding header of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 8.0.0 to 9.0.2.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
2.1% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)