CVE-2026-97257
⚠️ highSummary
Deserialization of Untrusted Data vulnerability in PressTigers Simple Event Planner simple-event-planner allows Object Injection.This issue affects Simple Event Planner: from n/a through 1.5.7.
CVSS Score
8.8
High
EPSS Score
0.4
Exploit Probability
Published Date
2026-10-05
First Seen: 2026-10-08
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 80.8% of all 365,620 vulnerabilities in our database.
#70,103
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Oct 6, 2026
🔍 Exploitation Status
None
No known exploits
⚙️ Automatable
NO
Requires human interaction
💥 Technical Impact
Total
Complete system compromise possible
🏆 Discovered By
Ananda Dhakal (Patchstack)
SSVC data provided by
CISA
Last Modified
2026-10-06
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE IDs (Weakness Types)