# CVE-2026-100893: Privoce VoceChat Server open_graphic_parse Endpoint resource.rs fetch server-side request forgery

> Remote attackers can exploit the open_graphic_parse endpoint to perform server-side request forgery, potentially accessing internal resources.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 28 Sep 2026
- **Updated:** 28 Sep 2026
- **Also known as:** GHSA-3gh5-9cwx-25f8

## What is CVE-2026-100893?

CVE-2026-100893 is a medium-severity server-side request forgery vulnerability in Privoce VoceChat Server, published on 28 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in Privoce VoceChat Server up to 0.5.36. This vulnerability affects the function open_graph::fetch of the file src/api/resource.rs of the component open_graphic_parse Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2026-100893?


## How do I fix CVE-2026-100893?

No fix has been published for CVE-2026-100893 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-100893 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-100893 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-100893 and fix it if it is affected.

What it is: CVE-2026-100893 is a medium-severity server-side request forgery vulnerability in Privoce VoceChat Server, published on 28 Sep 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-2026-100893 exists.

Affected product: Privoce VoceChat 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-2026-100893/ (Markdown: https://insights.sbomify.com/CVE-2026-100893/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-100893
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100893
- OSV: https://osv.dev/vulnerability/CVE-2026-100893

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-100893/
Summaries are generated and may contain mistakes; the official description above is the record.