Kafka: Eclipse Jetty's `SessionAuthentication` retains authentication credentials in a serializable object
Affects kafkaSource GCVE Database
Not known to be exploited · CVSS 5.6 Medium : upgrade to 4.3.2-r0 when convenient.
Data as of 11 Nov 2026, 03:37 UTC
- Patch
- Available – fixed in 4.3.2-r0, 4.0.2-r6, 10.0.0-r14 +1
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 15 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
CleanStartkafkapkg:apk/cleanstart/kafkaOther threats | Affected
| Fixed in
|
CleanStartkafkapkg:apk/cleanstart/kafkaOther threats | Affected
| Fixed in
|
CleanStartsolrpkg:apk/cleanstart/solrOther threats | Affected
| Fixed in
|
CleanStartrundeckpkg:apk/cleanstart/rundeckOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
CVE-2026-19864 affects multiple packages. Eclipse Jetty's `SessionAuthentication` retains authentication credentials in a serializable object. See references for individual vulnerability details.