# CVE-2026-63161: Omnispace Agora Project < 26.10.0 Session Fixation via Authentication

> Attackers can hijack user sessions by fixing session IDs before login, leading to unauthorized account access in Agora Project.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Oct 2026
- **Updated:** 27 Oct 2026
- **Also known as:** GHSA-vp93-335x-hgfh

## What is CVE-2026-63161?

CVE-2026-63161 is a high-severity authentication bypass vulnerability in Omnispace Agora Project, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

Omnispace Agora Project before 26.10.0 contains a session fixation vulnerability that allows remote attackers to hijack authenticated sessions by planting a known session identifier in a victim's browser prior to login. Attackers can exploit the application's failure to regenerate the session id upon successful authentication to gain unauthorized access to the victim's authenticated session after they log in.

Weakness: CWE-384 (Session Fixation)

## Which versions are affected by CVE-2026-63161?


## How do I fix CVE-2026-63161?

No fix has been published for CVE-2026-63161 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-63161 being exploited?

There is no known exploitation of CVE-2026-63161 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-63161 and fix it if it is affected.

What it is: CVE-2026-63161 is a high-severity authentication bypass vulnerability in Omnispace Agora Project, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-63161 in the wild and no public exploit code.

Affected product: Omnispace Agora Project. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-63161/ (Markdown: https://insights.sbomify.com/CVE-2026-63161/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-63161
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-63161
- OSV: https://osv.dev/vulnerability/CVE-2026-63161

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-63161/
Summaries are generated and may contain mistakes; the official description above is the record.