Critical severity · published Mar 19, 2026
CVE-2026-22732
Under Some Conditions Spring Security HTTP Headers Are not Written
9.1
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 42% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Spring Security · VMware
5.7.0 through 5.7.21; 5.8.0 through 5.8.23; 6.3.0 through 6.3.14; 6.4.0 through 6.4.14; 6.5.0 through 6.5.8; 7.0.0 through 7.0.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22732
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22732
Exploit
https://spring.io/security/cve-2026-22732
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