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CVE-2018-9856

27
FAUCET Score

CVE-2018-9856 describes a Cross-Site Request Forgery (CSRF) vulnerability in Kotti versions prior to 1.3.2 and 2.x before 2.0.0b2, specifically within its local roles implementation, allowing unauthorized permission changes. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.3.2CPE matchmatch criteria
cpe:2.3:a:kotti_project:kotti:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:kotti_project:kotti:2.0.0:alpha1:*:*:*:*:*:*
2.0.0b1CPE matchmatch criteria
cpe:2.3:a:kotti_project:kotti:2.0.0b1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 49th percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: KottiFixed in: 1.3.2
pippatch availablevia ghsa
Product: KottiFixed in: 2.0.0b2

Vendor Advisories (1)

pipGHSA-3hq4-f2v6-q338high

Kotti CSRF in the local roles implementation

Jul 12, 2018

References

github.com / Kotti/Kotti/issues/551
ExploitThird Party Advisory