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CVE-2026-28318

Uncontrolled Resource Consumption: is CVE-2026-28318real, exploitable, or a false positive? Here's the community verdict.

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High · CVSS 7.5EPSS 1.1%CISA KEVCWE-400 · Uncontrolled Resource Consumption

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

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

References

NVD MITRE CVE.org CISA KEV

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Community ground truth

In your experience, is this finding real and exploitable?

1 verdict
Not a real issue

Includes TruePositive's curated baseline from public sources. Community verdicts accrue on top.

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Community real-world severity: High (High 1) vs CVSS base score 7.5

In line with its CVSS base score.

Field notes & remediation

Verdicts are the quick signal. Notes are the evidence and fixes behind them.

  • 0
    Field note · TruePositive EditorialCurated

    SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability — SolarWinds Serv-U contains an uncontrolled resource consumption vulnerability that allows specially crafted POST requests using the Content-Encoding: deflate header to crash the Serv-U service without authentication. Listed in the CISA KEV catalog (added 2026-06-05) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~1%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · TruePositive EditorialCurated

    Required action for SolarWinds Serv-U: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2026-06-19. After patching, verify the vulnerable path is no longer reachable before closing the finding.

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Related CVEs

Same weakness: CWE-400 · Uncontrolled Resource Consumption.