Adobe Acrobat and Reader versions 2018.011.20038 and earlier, 2017.011.30079 and earlier, and 2015.006.30417 and earlier have an XFA '\n' POST injection vulnerability. Successful exploitation could lead to a security bypass.
Severity
CVSS 3.0
9.8 critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
7.1% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)