CVE-2026-111088: Stormshield Network Security · Cross-site Scripting
Affects Stormshield Network SecuritySource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 26 Oct 2026, 14:18 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 20 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| StormshieldStormshield Network Security | Affected
| Fixed in– |
AI-suggested
Until a patch is available, consider restricting access to the VPN log monitoring screen to trusted users only to reduce exposure.
Description
CVE-2026-111088 is a stored cross-site scripting (XSS) vulnerability in the Stormshield Network Security product, specifically affecting the VPN log monitoring screen. The vulnerability allows improper neutralization of input during web page generation, potentially enabling an attacker with low privileges to inject malicious scripts. The CVSS 3.1 base score is 6.5, indicating a medium severity impact focused on confidentiality. No known exploits are reported in the wild, and no official patch or remediation details are provided in the input data.