CVE-2018-9856 json
Kotti CSRF in the local roles implementation
published 2018-04-09 8 y ago modified 2026-06-17 4 mo ago also GHSA-3hq4-f2v6-q338 , PYSEC-2018-10 , EUVD-2018-0086
- cvss
- 8.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Kotti before 1.3.2 and 2.x before 2.0.0b2 has CSRF in the local roles implementation, as demonstrated by triggering a permission change via a /admin-document/@@share request.
Patch / fix
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Kotti/Kotti/issues/551 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | kotti | <1.3.2 >=2.0.0a1, <2.0.0b2 |
1.3.2 2.0.0b2 |
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
References
-
github.com
/Kotti/Kotti/commit/69d3c8a5d7203ddaec5ced5901acf87baddd76be
web
-
github.com
/Kotti/Kotti/issues/551
web, exploit, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2018-9856
advisory
-
github.com
/Kotti/Kotti
package
-
github.com
/advisories/GHSA-3hq4-f2v6-q338
advisory
-
github.com
/pypa/advisory-database/tree/main/vulns/kotti/PYSEC-2018-10.yaml
web
Sources
- CVE List CVE-2018-9856
- GitHub Advisory GHSA-3hq4-f2v6-q338
- NVD CVE-2018-9856
- OSV PYSEC-2018-10
Fencer Vulns 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.