A Crash, Not a Shell: SolarWinds Serv-U CVE-2026-28318
bishopfox.com | vulnerability | High | Actively exploited | CVE-2026-28318 | #active-exploitation | #rce | #vulnerability-research | #denial-of-service | #solarwinds | #serv-u | #cve-2026-28318 | #heap-corruption
Summary
Bishop Fox confirms CVE-2026-28318: one unauthenticated POST with a deflate Content-Encoding crashes SolarWinds Serv-U via heap corruption, but three probed RCE paths dead-end; HF1 fixes it.
- CVE
- CVE-2026-28318
- CVSS
- 7.5
- Published
- Collected
--- id: 3810 title: "A Crash, Not a Shell: SolarWinds Serv-U CVE-2026-28318" cve: CVE-2026-28318 cvss: 7.5 severity: high source_domain: bishopfox.com source_url: "https://bishopfox.com/blog/a-crash-not-a-shell-solarwinds-serv-u-cve-2026-28318" published_at: "2026-06-16 00:00" tags: ["active-exploitation", "rce", "vulnerability-research", "denial-of-service", "solarwinds", "serv-u", "cve-2026-28318", "heap-corruption"] phying_url: "https://phying.com/item/3810" lang: en --- # A Crash, Not a Shell: SolarWinds Serv-U CVE-2026-28318 ## Summary Bishop Fox confirms CVE-2026-28318: one unauthenticated POST with a deflate Content-Encoding crashes SolarWinds Serv-U via heap corruption, but three probed RCE paths dead-end; HF1 fixes it. ## Intelligence Metadata - **Sources:** bishopfox.com - **CVE:** CVE-2026-28318 - **CVSS:** 7.5 - **Published:** 2026-06-16 00:00 - **Original:** https://bishopfox.com/blog/a-crash-not-a-shell-solarwinds-serv-u-cve-2026-28318 - **Phying News:** https://phying.com/item/3810