CLEANSTART-2026-KB76878 When applications specify HTTP response headers for servlet applications using Spring Security, there is the possibility that the HTTP Headers will not be written

Multiple security vulnerabilities affect the apache-nifi package. When applications specify HTTP response headers for servlet applications using Spring Security, there is the possibility that the HTTP Headers will not be written. See references for individual vulnerability details...

CVE-2026-22732

CVE-2026-22732 affects Spring Security; multiple non-legacy branches are impacted where HTTP response headers for servlet applications may not be written. Affected versions include 5.7.0–5.7.21, 5.8.0–5.8.23, 6.3.0–6.3.14, 6.4.0–6.4.14, 6.5.0–6.5.8, and 7.0.0–7.0.3. The description indicates a he...

undertow: Infoleak in some circumstances where Undertow can serve data from a random buffer

An information leak vulnerability was found in Undertow. If all headers are not written out in the first write call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests...