CVE-2026-28313 json
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
published 3mo ago modified 16d ago also EUVD-2026-46293
- cvss
- 9.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
SolarWinds Serv-U is affected by an insecure direct object reference (IDOR) vulnerability that can lead to SMTP hijacking leading to arbitrary account takeover. The impact is lower in Windows deployments.
Patch / fix
- solarwinds serv-u 2026.3
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3mo ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
Affected products
- SolarWinds Serv-U
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
https
//www.solarwinds.com/trust-center/security-advisories/CVE-2026-28313
vendor-advisory
-
documentation.solarwinds.com
/en/success_center/servu/content/release_notes/servu_2026-3_release_notes.htm
release-notes, vendor-advisory
Sources
- CVE List CVE-2026-28313
- NVD CVE-2026-28313
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