CVE-2026-48911

EUVD-2026-53397
Insufficient Verification of Data Authenticity vulnerability in Apache Answer.

This issue affects Apache Answer: through 2.0.1.

A missing authorization check in the external-login email binding flow allows unauthenticated attackers to take over arbitrary user accounts by tricking victims into clicking a crafted confirmation link.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 31.24%
Affected Products (NVD)
VendorProductVersion
apacheanswer
𝑥
< 2.0.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://lists.apache.org/thread/mrlwtdnhqqgfbchjgq6rffkz67o8wyv8
http://www.openwall.com/lists/oss-security/2026/08/05/10