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CVE-2026-22732

CRITICALCVSS 9.1/10EPSS 0.48%

Last modified

CVE-2026-22732 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 0.48% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.48%

37.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
VmwareSpring Security< 5.7.22
VmwareSpring Security>= 5.8.0, < 5.8.24
VmwareSpring Security>= 6.3.0, < 6.3.15
VmwareSpring Security>= 6.4.0, < 6.4.15
VmwareSpring Security>= 6.5.0, < 6.5.9
VmwareSpring Security>= 7.0.0, < 7.0.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

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.
How severe is CVE-2026-22732?
CVE-2026-22732 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.48% probability of exploitation in the next 30 days.
How do I fix CVE-2026-22732?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-22732?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST