# CVE-2026-2819: Dromara RuoYi-Vue-Plus Workflow deleteByInstanceIds SaServletFilter authorization

> Attackers can remotely delete workflow instances without authorization due to missing checks in the SaServletFilter of RuoYi-Vue-Plus.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-8f5v-g9hx-qc4q

## What is CVE-2026-2819?

CVE-2026-2819 is a medium-severity missing authorization vulnerability in Dromara RuoYi-Vue-Plus, published on 20 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was identified in Dromara RuoYi-Vue-Plus up to 5.5.3. This vulnerability affects the function SaServletFilter of the file /workflow/instance/deleteByInstanceIds of the component Workflow Module. The manipulation leads to missing authorization. The attack may be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-863 (Incorrect Authorization), CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-2819?


## How do I fix CVE-2026-2819?

No fix has been published for CVE-2026-2819 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-2819 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2819 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-2819 and fix it if it is affected.

What it is: CVE-2026-2819 is a medium-severity missing authorization vulnerability in Dromara RuoYi-Vue-Plus, published on 20 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2819 exists.

Affected product: Dromara RuoYi-Vue-Plus. 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-2026-2819/ (Markdown: https://insights.sbomify.com/CVE-2026-2819/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-2819
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2819
- OSV: https://osv.dev/vulnerability/CVE-2026-2819

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-2819/
Summaries are generated and may contain mistakes; the official description above is the record.