# CVE-2026-107781: Dromara Skyeye Unauthenticated SSRF and File Overwrite via editUploadOfficeFileById

> Unauthenticated attackers can exploit SSRF to fetch internal URLs and overwrite user files in Dromara Skyeye, leading to data exposure and modification.

- **Severity:** Critical 9.1 (`CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Oct 2026
- **Updated:** 9 Oct 2026
- **Also known as:** GHSA-75ff-jv7p-vv6j

## What is CVE-2026-107781?

CVE-2026-107781 is a critical server-side request forgery vulnerability in dromara skyeye, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Dromara Skyeye through commit 003549ae5615bd114ba5bb8ddf6a8e8ead97c321 contains a server-side request forgery and missing authorization vulnerability in the OnlyOffice save callback editUploadOfficeFileById. Unauthenticated attackers can supply arbitrary url and key parameters to make the server fetch internal URLs and overwrite any user's stored file, then read results via queryFileToShowById.

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

## Which versions are affected by CVE-2026-107781?


## How do I fix CVE-2026-107781?

No fix has been published for CVE-2026-107781 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-107781 being exploited?

There is no known exploitation of CVE-2026-107781 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-107781 and fix it if it is affected.

What it is: CVE-2026-107781 is a critical server-side request forgery vulnerability in dromara skyeye, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-107781 in the wild and no public exploit code.

Affected product: dromara skyeye. 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-2026-107781/ (Markdown: https://insights.sbomify.com/CVE-2026-107781/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-107781
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-107781
- OSV: https://osv.dev/vulnerability/CVE-2026-107781

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-107781/
Summaries are generated and may contain mistakes; the official description above is the record.