6.1
MEDIUM CVSS 3.1
CVE-2026-63155
Omnispace Agora Project 26.10.0 Open Redirect via objUrl Parameter
Description

Omnispace Agora Project through 26.10.0 contains an open redirect vulnerability that allows remote attackers to redirect users to arbitrary external URLs by manipulating the objUrl parameter in Ctrl.php's redir() function. Attackers can craft login links with objUrl set to a malicious site, causing the application to issue an HTTP 302 redirect to that external URL, which can be abused for phishing and credential theft.

INFO

Published Date :

Nov. 13, 2026, 5:17 p.m.

Last Modified :

Nov. 13, 2026, 6:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-63155 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Agora-project agora-project
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update Omnispace Agora Project to patch the open redirect vulnerability in Ctrl.php.
  • Update Omnispace Agora Project to the latest version.
  • Validate the objUrl parameter in Ctrl.php.
  • Implement strict URL validation for redirects.
  • Sanitize all user-supplied URL parameters.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-63155 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-63155 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-63155 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-63155 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Reference https://www.agora-project.net/
    Added Reference https://www.vulncheck.com/advisories/omnispace-agora-project-open-redirect-via-objurl-parameter
  • New CVE Received by [email protected]

    Nov. 13, 2026

    Action Type Old Value New Value
    Added Description Omnispace Agora Project through 26.10.0 contains an open redirect vulnerability that allows remote attackers to redirect users to arbitrary external URLs by manipulating the objUrl parameter in Ctrl.php's redir() function. Attackers can craft login links with objUrl set to a malicious site, causing the application to issue an HTTP 302 redirect to that external URL, which can be abused for phishing and credential theft.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Added CWE CWE-601
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/63xxx/CVE-2026-63155.json">CVE-2026-63155</a>
    Added Reference https://www.akailabs.fr/blog/multiple-vulnerabilities-in-agora-project-26-5-2#cve-2026-63155-open-redirect-and-reflected-xss-via-objurl
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.