VulnSocial

CVE-2026-28321Disclosure(solarwinds / serv-u)

LOWCVSS 9.1 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch solarwinds serv-u systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges and execute code as root. A domain administrator access is required, and the impact is lower in Windows installations.

solarwinds CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • serv-u

Threat summary

  • Patch or workaround signal is available
  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 3 signals
  • Disclosure: 1 classified signal
  • General: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-07-21); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
solarwinds
Products
serv-u

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-07-21: 2Mentions · 2026-07-22: 1Patch / Workaround · 2026-07-22: 1Technical Details · 2026-07-21: 2Technical Details · 2026-07-22: 107-2107-22
Signal classification3 categories
Disclosure
133.3%
General
133.3%
Patch
133.3%
Referenced assets2 URLs
By indicator
Classification over time
DateTotalLabels
2026-07-212
Disclosure1General1
2026-07-221
Patch1
Full discourse3 posts
  • TECHEPAGES@techepages
    Patch

    SolarWinds Serv-U 2026.3 patches 15 vulnerabilities — 14 Critical (CVSS 9.1) enabling privilege escalation to root RCE. List of all vulnerabilities reported in the latest security advisory: 🔵 CVE-2026-28302 🔵 CVE-2026-28304 🔵 CVE-2026-28305 🔵 CVE-2026-28306 🔵 CVE-2026-28307 🔵 CVE-2026-28308 🔵 CVE-2026-28309 🔵 CVE-2026-28310 🔵 CVE-2026-28311 🔵 CVE-2026-28312 🔵 CVE-2026-28313 🔵 CVE-2026-28314 🔵 CVE-2026-28315 (Medium — stored XSS) 🔵 CVE-2026-28316 🔵 CVE-2026-28317 🔵 CVE-2026-28321

    Post summary

    SolarWinds Serv-U 2026.3 has released patches for 15 CVEs, 14 of which are critical (CVSS 9.1) enabling root-level RCE, with one medium severity stored XSS vulnerability reported.

    0000041
    31 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-28321 SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges a… https://www.cve.org/CVERecord?id=CVE-2026-28321 ----- Traducción: CVE-2026-28321 Sol… http://infoflow.cloud`

    Post summary

    The tweet announces CVE-2026-28321 as a broken access control flaw in SolarWinds Serv‑U that allows arbitrary file read/write and privilege escalation, with a link to the CVE record.

    0000023
    94 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-28321 SolarWinds Serv-U is affected by a broken access control vulnerability that could allow arbitrary file read and write, which can then be used to escalate privileges a… https://www.cve.org/CVERecord?id=CVE-2026-28321

    Post summary

    The tweet notes CVE‑2026‑28321 involves a broken access control that allows arbitrary file reads/writes and privilege escalation, but gives no PoC, exploit, patch, or evidence of active use.

    00000846
    57.8K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appsolarwindsserv-u---

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