8.2High
Vmware Spring Security
CVE-2026-47877
Spring Security Authorization Server's default consent page renders user-controlled values without HTML entity encoding. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6
What this means for your business
- It affects Vmware Spring Security. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, without a login, but only after tricking someone into an action such as opening a file or a link.
- FIRST's prediction model gives it a 0.2% chance of attack attempts being seen in the next 30 days, ranking above 5% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Vmware Spring Security, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 8.2 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N- Weakness
- CWE-79
- Assigned by
- security@vmware.com
Dates
- Published
- 2026-08-27
- Last modified
- 2026-09-02
- Sources
- NVD
Affected products
- Vmware Spring Security7.0.0 - 7.0.6.1, 7.1.0 - 7.1.0.1
As listed in the NVD configuration data. Not a statement about your estate.