Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-63101— Open Event Server 1.19.1 Unauthenticated Member Roster Export via CSV Export Endpoint

CVSS 7.5 · High

Affected Version Matrix 1

VendorProductVersion RangeStatus
fossasiaopen-event-server≤ 1.19.1affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-63101

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Open Event Server 1.19.1 Unauthenticated Member Roster Export via CSV Export Endpoint
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
fossasiaopen-event-server 0 ~ 1.19.1 -

II. Public POCs for CVE-2026-63101

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8425 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-63101

请登录查看更多情报信息。

News Coverage for CVE-2026-63101 (1)

Other References for CVE-2026-63101 (1)

IV. Related Vulnerabilities

Same product: open-event-server
Same vendor: fossasia
Same weakness: CWE-306

V. Comments for CVE-2026-63101

No comments yet

Leave a comment