In JetBrains PhpStorm before 2026.3 project files could be automatically uploaded to a deployment server from
Source GCVE Database
Not known to be exploited · CVSS 4.4 Medium : upgrade to 2026.3 when convenient.
Data as of 6 Nov 2026, 19:05 UTC
Thin evidence
One scorer or none| CNA (JetBrains) | CVSS 3.1 | 4.4 |
|---|
- Patch
- Available – fixed in 2026.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 6 Nov 2026.
What to do
Upgrade PhpStorm to 2026.3.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsPhpStorm | Affected
| Fixed in
|
AI-suggested
Since the vulnerability affects versions before 2026.3, upgrading to version 2026.3 or later is recommended once available. Until then, users should exercise caution when opening untrusted projects and consider disabling automatic deployment features to prevent unintended uploads.
Description
A vulnerability in JetBrains PhpStorm before version 2026.3 allows project files to be automatically uploaded to a deployment server from untrusted projects. This behavior could lead to unintended information disclosure or modification. The issue has a medium severity with a CVSS score of 4.4.