CVE-2026-44977
Countly countly-server
- Countly countly-server
- Critical
- CVSS 9.0
- EPSS 0.34%
- No fixed version listed
What to do
No fixed version listed
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Countly countly-server | < 24.05.50; >= 25.03, < 25.03.44 | None listed |
Advisories and fixes
- Public exploit github.com
Scores and signals
- Exploitation
- No known exploitation
- Severity
- Critical, CVSS 9.0 (v3.1, scored by GitHub_M)
- EPSS
- 0.34% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 24, 2026)
- CISA's SSVC decision points
- Exploitation: proof of concept. Automatable: no. Technical impact: total. As of Oct 21, 2026.
- Weakness
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Vendor
- Countly, countly-server
Timeline
- First listed as critical by cve.now. Affected and fixed versions come from the CVE record, once one is published.