SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability

SolarWinds Serv-U

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. Added to CISA KEV on 2026-06-05 (federal deadline 2026-06-19).

First seen: 5 Jun 2026
Last update: 5 Jun 2026, 12:00 UTC
Identifiers: CVE-2026-28318
Source: CISA KEV
On the menu as: Enterprise apps

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## SolarWinds Serv-U Uncontrolled Resource Consumption Vulnerability
Severity: high, exploited in the wild. Patch status: patched.
Affected: SolarWinds Serv-U
Ids: CVE-2026-28318

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. Added to CISA KEV on 2026-06-05 (federal deadline 2026-06-19).

## Steps
1. This touches infrastructure (erp). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-28318") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: 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 https://www.solarwinds.com/trust-center/security-advisories/cve-2026-28318
https://pwned.coffee/i/solarwinds-serv-u-uncontrolled-resource-consumption-vuln-cve-2026-28318

Sources

Totalone hot coffee