# CVE-2026-22732 — VMware Spring Security

> As of 2026-04-02, CVE-2026-22732 is a CRITICAL-severity vulnerability in VMware Spring Security, CVSS v3.1 9.1, EPSS 0.4% (39.5th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-22732, most recently “SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0)”.

**Last updated:** 2026-04-02

## What is CVE-2026-22732?

When applications specify HTTP response headers for servlet applications using Spring Security, there is the possibility that the HTTP Headers will not be written. This issue affects Spring Security Servlet applications using lazy (default) writing of HTTP Headers: : from 5.7.0 through 5.7.21, from 5.8.0 through 5.8.23, from 6.3.0 through 6.3.14, from 6.4.0 through 6.4.14, from 6.5.0 through 6.5.8, from 7.0.0 through 7.0.3.

The record classifies CVE-2026-22732 under weakness class [CWE-425](https://cwe.mitre.org/data/definitions/425.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 223 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.1 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **EPSS (FIRST):** 0.4% probability of exploitation in the next 30 days, higher than 39.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 8.1/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-03-19, last modified 2026-04-02

## Is CVE-2026-22732 being exploited?

Weaponised exploit code for CVE-2026-22732 is publicly available. 3 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 23 in the Threadlinqs vulnerability feed.

- [semgrep/cve-2026-22732-demo](https://github.com/semgrep/cve-2026-22732-demo) (github)
- [moderneinc/rewrite-cve-2026-22732](https://github.com/moderneinc/rewrite-cve-2026-22732) (github)
- [dylan-chainguard/cve-2026-22732-poc](https://github.com/dylan-chainguard/cve-2026-22732-poc) (github)

## Affected products and versions

- [VMware](https://intel.threadlinqs.com/vendors/vmware): Spring Security

Affected software packages:

- `maven:org.springframework.security:spring-security-web`
- `maven:org.springframework.security:spring-security-web`
- `maven:org.springframework.security:spring-security-web`
- `maven:org.springframework.security:spring-security-web`
- `maven:org.springframework.security:spring-security-web` — patched in 6.5.9
- `maven:org.springframework.security:spring-security-web` — patched in 7.0.4

## How to fix CVE-2026-22732

Fixed versions are recorded for 2 packages: maven:org.springframework.security:spring-security-web 6.5.9, maven:org.springframework.security:spring-security-web 7.0.4. No vendor patch reference has been recorded for CVE-2026-22732 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-22732

2 tracked threats in the Threadlinqs corpus reference CVE-2026-22732, either in the campaign’s CVE list or as an indicator on the campaign record.

- [SAP Patches Critical Code Injection, Memory Corruption Vulnerabilities (CVE-2026-58231, CVSS 10.0)](https://intel.threadlinqs.com/threat/TL-2026-1984) — CRITICAL · 2026-08-11
- [SAP Patches Critical NetWeaver, Approuter, and Commerce Cloud Flaws (CVE-2026-44747, CVE-2026-27690, CVE-2026-44761)](https://intel.threadlinqs.com/threat/TL-2026-1302) — CRITICAL · 2026-07-14

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10.

**Other references**

- [spring.io](https://spring.io/security/cve-2026-22732)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-22732
Full detection coverage and IOCs for threats exploiting CVE-2026-22732 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp