# CVE-2025-15615: Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of Service

> Remote attackers can cause denial of service in Wazuh Manager authd service by sending excessive SSL/TLS renegotiation requests.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Mar 2026
- **Updated:** 14 Jul 2026
- **Also known as:** GHSA-36r3-mw6j-7ffc

## What is CVE-2025-15615?

CVE-2025-15615 is a medium-severity denial of service vulnerability in Wazuh Wazuh, published on 27 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lack of renegotiation limits to consume CPU resources and render the authd service unavailable.

Weakness: CWE-276 (Incorrect Default Permissions)

## Which versions are affected by CVE-2025-15615?

It affects 1 product.


Products: Wazuh Wazuh.

## How do I fix CVE-2025-15615?

No fix has been published for CVE-2025-15615 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-15615 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15615 exists.

## Other vulnerabilities in Wazuh Wazuh

- [CVE-2025-24016](https://insights.sbomify.com/CVE-2025-24016/): Wazuh Server Deserialization of Untrusted Data (critical 9.9, exploited in the wild)
- [CVE-2024-32038](https://insights.sbomify.com/CVE-2024-32038/): Wazuh Analysis Engine Event Decoder Heap-based Buffer Overflow Remote Code Execution Vulnerability (critical 9.8)
- [CVE-2021-44079](https://insights.sbomify.com/CVE-2021-44079/): Command injection in n/a (critical 9.8)
- [CVE-2024-1243](https://insights.sbomify.com/CVE-2024-1243/): Remote code execution and local privilege escalation in Wazuh Windows agent via NetNTLMv2 hash theft (critical 9.5)
- [CVE-2026-61800](https://insights.sbomify.com/CVE-2026-61800/): Wazuh cluster worker file sync allows arbitrary file write under /var/ossec (incomplete fix for CVE-2026-30893) (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-15615 and fix it if it is affected.

What it is: CVE-2025-15615 is a medium-severity denial of service vulnerability in Wazuh Wazuh, published on 27 Mar 2026. 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-2025-15615 exists.

Affected product: Wazuh Wazuh. 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-2025-15615/ (Markdown: https://insights.sbomify.com/CVE-2025-15615/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-15615
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-15615
- OSV: https://osv.dev/vulnerability/CVE-2025-15615

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-15615/
Summaries are generated and may contain mistakes; the official description above is the record.