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Vulnerabilities

Vulnerability · CVE-2026-19864

Eclipse Jetty's retains authentication credentials in a serializable object.

Published Oct 15, 2026 · catalog updated Oct 15, 2026 · Eclipse Foundation

Check if you run it

No confirmed exploitation is on record for CVE-2026-19864. EPSS is 0.13%. Act only if a listed version of Eclipse Foundation is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.13%
Remediation
Advisory link
Affected products
vendor Eclipse Foundation

Eclipse Jetty's retains authentication credentials in a serializable object. When the credentials contain a plaintext password and the authenticated session is persisted to a session data store, the password may consequently be written to persistent storage in plaintext. An attacker with sufficient privileges to read the persisted session data may obtain the plaintext passwords of authenticated users.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Eclipse Foundationversion unspecified

How to fix CVE-2026-19864

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-19864. EPSS is 0.13%. Act only if a listed version of Eclipse Foundation is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-312: Cleartext Storage of Sensitive Information. EPSS 0.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 15, 2026 · NIST NVD

    Detected

    Eclipse Jetty's retains authentication credentials in a serializable object. When the credentials contain a plaintext password and the authenticated session is persisted to a session data store, the password may consequently be written to persistent storage in plaintext. An attacker with sufficient privileges to read the persisted session data may obtain the plaintext passwords of authenticated us

  2. Oct 15, 2026 · NIST NVD

    Updated

    Eclipse Jetty's retains authentication credentials in a serializable object. When the credentials contain a plaintext password and the authenticated session is persisted to a session data store, the password may consequently be written to persistent storage in plaintext. An attacker with sufficient privileges to read the persisted session data may obtain the plaintext passwords of authenticated us

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-2026-19864

    Eclipse Jetty's retains authentication credentials in a serializable object. When the credentials contain a plaintext password and the authenticated session is persisted to a session data store, the password may consequently be written to persistent storage in plaintext. An attac

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2026-19864

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-19864

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-19864

    Eclipse Jetty's retains authentication credentials in a serializable object. When the credentials contain a plaintext password and the authenticated session is persisted to a session data store, the password may consequently be written to persistent storag

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.