Rundeck: Eclipse Jetty's `SessionAuthentication` retains authentication credentials in a serializable object
Affects rundeckSource GCVE Database
Not known to be exploited · CVSS 5.6 Medium : upgrade to 6.0.1-r11 when convenient.
Data as of 13 Nov 2026, 01:37 UTC
- EPSS
- 0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 6.0.1-r11
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 13 Nov 2026.
What to do
Upgrade rundeck to 6.0.1-r11.
Affected software
| Product | 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.
AI-suggested
Upgrade Rundeck to version 6.0.1-r11 or later, where this vulnerability is fixed. No other mitigation steps are indicated or required according to the available data.
Description
A security vulnerability exists in the Rundeck package where Eclipse Jetty's SessionAuthentication component retains authentication credentials within a serializable object. This could potentially expose sensitive authentication data. The issue affects Rundeck versions prior to 6.0.1-r11. A fix is available in version 6.0.1-r11. The vulnerability has a medium severity rating with a CVSS score of 5.6.