CVE-2016-10026 json
ikiwiki 3.20161219 does not properly check if a revision changes the access permissions for a page on sites with the git and recentchanges…
published 2017-02-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-1223
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known
Summary
ikiwiki 3.20161219 does not properly check if a revision changes the access permissions for a page on sites with the git and recentchanges plugins and the CGI interface enabled, which allows remote attackers to revert certain changes by leveraging permissions to change the page before the revision was made.
Patch / fix
- ikiwiki Debian 14, Debian 13, Debian 12 3.20161219
debian advisories DEBIAN-CVE-2016-10026
- ikiwiki openSUSE Tumbleweed 3.20200202.3-2.7
opensuse advisories openSUSE-SU-2024:10860-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2016-10026 updated cvss 5.9
ikiwiki: Authorization bypass when reverting changes
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
2.13% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
debian.org
/security/2017/dsa-3760
vendor-advisory
-
ikiwiki.info
/bugs/rcs_revert_can_bypass_authorization_if_affected_files_were_renamed/
issue-tracking, vendor-advisory
-
ikiwiki.info
/security/#index46h2
vendor-advisory
-
openwall.com
/lists/oss-security/2016/12/21/3
mailing-list, third-party-advisory
-
openwall.com
/lists/oss-security/2016/12/29/3
mailing-list, third-party-advisory
Sources
- CVE List CVE-2016-10026
- NVD CVE-2016-10026
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.