The fix for ikiwiki for CVE-2016-10026 was incomplete resulting in editing restriction bypass for git revert when using git versions older than 2.8.0. This has been fixed in 3.20161229.
https://security-tracker.debian.org/tracker/CVE-2016-9645
https://marc.info/?l=oss-security&m=148304341511854&w=2
https://ikiwiki.info/security/#cve-2016-9645
Source: Mitre, NVD
Published: 2018-04-10
Updated: 2018-05-22
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N