CVE-2026-2861 is an information disclosure vulnerability affecting Foswiki versions up to 2.1.10, specifically within an unknown function of the Changes/Viewfile/Oops component. This vulnerability has a CVSS score of 5.3 (Medium), indicating it can be exploited remotely without authentication, leading to a loss of confidentiality. While a public exploit exists, there is no evidence of active exploitation, and it has received minimal community discussion or media coverage. Upgrading to Foswiki version 2.1.11 is recommended to remediate this issue.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.1.11CPE matchmatch criteria | cpe:2.3:a:foswiki:foswiki:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.