Trending
CVE-2026-28318

CVE detail

CVE-2026-28318

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

CVSS 7.5 · HighBuzz score 67.0KEV listed

Buzz score

Why this CVE is surfacing

Buzz score total 67.0

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 22.0 · diversity 20.0 · KEV 25.0 · OTX 0.0 · PoC 0.0

Mention score

22.0

8 evidence mentions in the snapshot

Diversity score

20.0

7 sources across 5 categories

KEV score

25.0

Known exploited vulnerability present

OTX score

0.0

0 OTX pulses

PoC score

0.0

0 repos · best confidence N/A

Best PoC traction

Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions: 0; within the 30d window
Peak daily: 0; highest bucket

Evidence

Source links by recency

Newest mentions first

8 source links · newest first

Week in review: Exploited Check Point VPN zero-day, Oracle PeopleSoft servers under attackHelp Net Security
Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: DockSec: Open-source AI-powered Docker security scanner DockSec is an OWASP Incubator Project that combines three container security scanners with a language-model layer for explanation and remediation. Created by Advait Patel, the Python tool runs Trivy, Hadolint, and Docker Scout against a developer’s Dockerfile and image, correlates the findings, returns a 0-100 security score, and proposes line-specific fixes. Treating AI agents … More →
newswww.helpnetsecurity.comJun 14, 2026, 8:00 AM
8th June – Threat Intelligence ReportCheck Point Research
eft. VULNERABILITIES AND PATCHES Google has released its June Android security patch for 124 vulnerabilities, including CVE-2025-48595, a high-severity Android Framework flaw under exploitation. Local attackers can use the vulnerability to gain code execution and escalate privileges on devices running Android 14 or later. Cisco has released patches for
vendorresearch.checkpoint.comJun 8, 2026, 2:47 PM
CISA: Patch actively exploited SolarWinds Serv-U DoS vulnerability (CVE-2026-28318)Help Net Security
A vulnerability (CVE-2026-28318) that can be exploited to crash SolarWinds Serv-U file transfer servers is being leveraged by attackers in the wild, the US Cybersecurity and Infrastructure Security Agency (CISA) confirmed on Friday. The agency has ordered US federal civilian agencies to address it by June 19, 2026, either by implementing a patch or implementing mitigations. About CVE-2026-28318 CVE-2026-28318 is an uncontrolled resource consumption vulnerability that can be triggered by remote, unauthenticated attackers. The flaw … More →
newswww.helpnetsecurity.comJun 8, 2026, 10:26 AM
SolarWinds Serv-U Vulnerability Exploited in the WildSecurityWeek
Unauthenticated attackers can exploit the flaw via specially crafted POST requests that crash the Serv-U service.
newswww.securityweek.comJun 8, 2026, 7:52 AM
U.S. CISA adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalogSecurity Affairs
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds SolarWinds Serv-U flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added SolarWinds Serv-U flaw, tracked as CVE-2026-28318 (CVSS ver 3.1 score of 7.5), to its Known Exploited Vulnerabilities (KEV) catalog. SolarWinds Serv-U is a managed file transfer (MFT) and secure file […]
newssecurityaffairs.comJun 6, 2026, 9:44 PM
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-28318www.cisa.gov
No excerpt available.
Mitigationwww.cisa.govJun 4, 2026, 3:16 PM
https://www.solarwinds.com/trust-center/security-advisories/CVE-2026-28318www.solarwinds.com
No excerpt available.
Vendor Advisorywww.solarwinds.comJun 4, 2026, 3:16 PM
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htmdocumentation.solarwinds.com
No excerpt available.
Release Notesdocumentation.solarwinds.comJun 4, 2026, 3:16 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars

No public PoC repositories have been matched yet.

Related records

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External lookup

Potential internet exposure

Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2026-28318.

Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.

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Product CPE queries

Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.

cpe:2.3:a:solarwinds:serv-uSearch this product on Shodan

Exact CVE query

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vuln:CVE-2026-28318Search this CVE on Shodan

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Metadata

Canonical fields

NVD status

Analyzed

Published

Jun 4, 2026

Modified

Jul 22, 2026

Official record

Authoritative NVD record

CVSS vector

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

CWE IDs

Vendor classifications

How this vector reads

CVSS 3.1 base metrics decoded below. This explanation does not recalculate or change the NVD score.

Attack Vector (AV): Network. The vulnerable system can be reached across network boundaries.
Attack Complexity (AC): Low. No special conditions beyond the attacker-controlled steps are required.
Privileges Required (PR): None. The attacker needs no privileges on the vulnerable system.
User Interaction (UI): None. Exploitation does not require another user to act.
Scope (S): Unchanged. Impacts remain within the vulnerable security authority.
Confidentiality Impact (C): None. There is no direct impact to this security property.
Integrity Impact (I): None. There is no direct impact to this security property.
Availability Impact (A): High. There is a total or serious impact to this security property.

Signals

Exploitation indicators

1 stored signals · KEV present · 0 OTX pulses

KEVKEV
- cwes: CWE-400
- dueDate: 2026-06-19
- knownRansomwareCampaignUse: Unknown
- notes: https://www.solarwinds.com/trust-center/security-advisories/cve-2026-28318 ; https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-5-4-hotfix-1_release_notes.htm#link7 ; https://nvd.nist.gov/vuln/detail/CVE-2026-28318
- product: Serv-U
- requiredAction: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- shortDescription: 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.
- vendorProject: SolarWinds
- vulnerabilityName: SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability
Observed Jun 5, 2026, 12:00 AM