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CVE-2026-28315
SolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability
Medium6.2EPSS 0.52%
- Published
- Updated
- Reserved
- Assigned by
- SolarWinds
Description
SolarWinds Serv-U was found to be affected by a stored cross-site scripting vulnerability that could lead to session hijacking or information disclosure from an administrator account.
Timeline
ID reserved
By SolarWinds
- 5 months later
· 5 months later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| SolarWindsCNA (assigner) | 3.1 | Medium6.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | Medium6.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.2.
Weakness
Affected products
- affected 15.5.4 HF1 and below
What to do
Solution: SolarWinds recommends customers upgrade to Serv-U version 2026.3 as soon as is practical.
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-28315)Record last updated .