# CVE-2023-35154: Knowage-Server vulnerable to account validation bypass

> Attackers can bypass email verification to register and access the Knowage analytics application as a normal user.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Jun 2023
- **Updated:** 7 Nov 2024
- **Also known as:** GHSA-48hp-jvv8-cf62

## What is CVE-2023-35154?

CVE-2023-35154 is a high-severity authentication bypass vulnerability in KnowageLabs Knowage-Server, published on 23 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Knowage is an open source analytics and business intelligence suite. Starting in version 6.0.0 and prior to version 8.1.8, an attacker can register and activate their account without having to click on the link included in the email, allowing them access to the application as a normal user. This issue has been patched in version 8.1.8.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2023-35154?

It affects 1 product.


Products: Eng Knowage.

## How do I fix CVE-2023-35154?

No fix has been published for CVE-2023-35154 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-35154 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-35154 exists.

## Other vulnerabilities in KnowageLabs Knowage-Server

- [CVE-2023-38702](https://insights.sbomify.com/CVE-2023-38702/): Knowage Server vulnerable to path traversal via upload functionality (critical 10.0)
- [CVE-2019-13188](https://insights.sbomify.com/CVE-2019-13188/): Auth bypass in n/a (critical 9.8)
- [CVE-2025-59954](https://insights.sbomify.com/CVE-2025-59954/): Knowage Contains a Remote Code Execution Vulnerability (critical 9.3)
- [CVE-2021-30055](https://insights.sbomify.com/CVE-2021-30055/): SQL injection in n/a (high 8.8)
- [CVE-2019-13348](https://insights.sbomify.com/CVE-2019-13348/): Information disclosure in n/a (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-35154 and fix it if it is affected.

What it is: CVE-2023-35154 is a high-severity authentication bypass vulnerability in KnowageLabs Knowage-Server, published on 23 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-35154 exists.

Affected product: KnowageLabs Knowage-Server. 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-2023-35154/ (Markdown: https://insights.sbomify.com/CVE-2023-35154/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-35154
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-35154
- OSV: https://osv.dev/vulnerability/CVE-2023-35154

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-35154/
Summaries are generated and may contain mistakes; the official description above is the record.