CVE-2026-2819: Missing Authorization Vulnerability (CVSS 6.3)

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.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS 4.0

2.1/10

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.25%

16.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published: Feb 20, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-2819?

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.

How severe is CVE-2026-2819?

CVE-2026-2819 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2819?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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