SQL Injection in Yunaiv Yudao-Cloud
CVE-2026-5147
A security flaw has been discovered in YunaiV yudao-cloud up to 2026.01. This affects an unknown part of the file /admin-api/system/tenant/get-by-website. The manipulation of the argument Website results in sql injection. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Yunaiv Yudao-Cloud — versions 2026.01
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/354181 (technical-description, vdb-entry)
- vuldb.com/vuln/354181/cti (signature, permissions-required)
- vuldb.com/submit/780191 (third-party-advisory)
- github.com/NarcherAlter/Security_Note/blob/main/Vulnerability_Discovery/yudaoCl… (related)
- github.com/NarcherAlter/Security_Note/blob/main/Vulnerability_Discovery/yudaoCl… (exploit)
Frequently asked questions
- What is CVE-2026-5147?
- CVE-2026-5147 is a high-severity vulnerability in Yunaiv Yudao-Cloud, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-03-30.
- How severe is CVE-2026-5147?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2026-5147 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.