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VulnerabilityCVE-2026-22732Published 2026-03-19

CVE-2026-22732 — VMware Spring Security

criticalPublic exploit3 PoC repos

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)”.

CVSS v3.1
9.1/10Critical
EPSS
0.4%Higher than 39.5% of scored CVEs
CISA KEV
NoNot in the KEV catalog
Tracked threats
2Campaigns referencing it
Priority
8.1/10Threadlinqs triage score
Published
Updated 2026-04-02
CVSS v3.1 9.1 (CRITICAL) · EPSS 0.4% (higher than 39.5% of all scored CVEs) · Priority 8.1/10 · Published 2026-03-19

Last updated:

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. 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.

Affected products and versions

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.

Sources

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

Other references