CVE-2026-63101
Last modified
CVE-2026-63101 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. Open Event Server through 1.19.1 contains a missing authentication vulnerability that allows unauthenticated attackers to export the complete member roster of any group, including email addresses, names, join dates, and roles, by submitting requests to the group followers CSV export endpoint which lacks any authentication decorator. Attackers can enumerate sequential group IDs via brute-force, trigger an export via the unauthenticated POST endpoint, then poll the unauthenticated task status endpoint until completion to retrieve a download URL containing the full member CSV..
Description
Open Event Server through 1.19.1 contains a missing authentication vulnerability that allows unauthenticated attackers to export the complete member roster of any group, including email addresses, names, join dates, and roles, by submitting requests to the group followers CSV export endpoint which lacks any authentication decorator. Attackers can enumerate sequential group IDs via brute-force, trigger an export via the unauthenticated POST endpoint, then poll the unauthenticated task status endpoint until completion to retrieve a download URL containing the full member CSV.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| fossasia | open-event-server | <= 1.19.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-63101?
How severe is CVE-2026-63101?
How do I fix CVE-2026-63101?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-63096Dendrite through 0.13.8 contains a server-side request forge…6.9
- CVE-2026-63097Dendrite through 0.13.8 contains an improper access control …5.3
- CVE-2026-63098TheHive through 4.1.24 contains an unauthenticated informati…6.9
- CVE-2026-63099TheHive through 4.1.24 contains a broken object-level author…7.1
- CVE-2026-6310Use after free in Dawn in Google Chrome prior to 147.0.7727.…8.3
- CVE-2026-63100Maybe through 0.6.0 contains a missing authorization vulnera…7.1
- CVE-2026-63102rConfig Core before 8.2.8 contains a privilege escalation vu…5.4
- CVE-2026-63107LimeSurvey through 6.17.10 and 7.0.4 contains a server-side …7.7
- CVE-2026-63108Roo Code through 3.54.0 contains a command injection vulnera…8.8
- CVE-2026-6311Uninitialized Use in Accessibility in Google Chrome on Windo…8.3
- CVE-2026-6312Insufficient policy enforcement in Passwords in Google Chrom…3.1
- CVE-2026-6313Insufficient policy enforcement in CORS in Google Chrome pri…3.1
Are you affected by CVE-2026-63101?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST