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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-24772— OpenProject has SSRF and CSWSH in Hocuspocus Synchronization Server

Quick assessment

Affected
opf openproject
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.0.0版本至17.0.2之前版本存在数据伪造问题漏洞，该漏洞源于同步服务器未正确验证后端URL，可能导致访问令牌泄露。

CVSS 8.9 · High EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-24772

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
OpenProject has SSRF and CSWSH in Hocuspocus Synchronization Server
Source: CVE Program / CVE List V5
Vulnerability Description
OpenProject is an open-source, web-based project management software. To enable the real time collaboration on documents, OpenProject 17.0 introduced a synchronization server. The OpenPrioject backend generates an authentication token that is currently valid for 24 hours, encrypts it with a shared secret only known to the synchronization server. The frontend hands this encrypted token and the backend URL over to the synchronization server to check user's ability to work on the document and perform intermittent saves while editing. The synchronization server does not properly validate the backend URL and sends a request with the decrypted authentication token to the endpoint that was given to the server. An attacker could use this vulnerability to decrypt a token that he intercepted by other means to gain an access token to interact with OpenProject on the victim's behalf. This vulnerability was introduced with OpenProject 17.0.0 and was fixed in 17.0.2. As a workaround, disable the collaboration feature via Settings -> Documents -> Real time collaboration -> Disable. Additionally the `hocuspocus` container should also be disabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
OpenProject 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenProject是OpenProject开源的一个基于Web的项目管理软件。 OpenProject 17.0.0版本至17.0.2之前版本存在数据伪造问题漏洞，该漏洞源于同步服务器未正确验证后端URL，可能导致访问令牌泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
opf openproject OpenProject >= 17.0.0, < 17.0.2 -

II. Public POCs for CVE-2026-24772

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-24772

请登录查看更多情报信息。

Same Patch Batch · opf · 2026-01-28 · 3 CVEs total

CVE-2026-24775 6.3 MEDIUM OpenProject has Forced Actions, Content Spoofing, and Persistent DoS via ID Manipulation i
CVE-2026-24685 OpenProject has Argument Injection on Repository module that allows Arbitrary File Write

IV. Related Vulnerabilities

Same product: openproject
Same vendor: opf
Same weakness: CWE-345

V. Comments for CVE-2026-24772

No comments yet

Leave a comment