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VulnerabilityPublished

CVE-2026-123374: Apache Roller · Deserialization of Untrusted Data

Affects Apache RollerSource CVE Database V5

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Not known to be exploited · fixed in 6.1.7 : patch Apache Roller soon.

Data as of 11 Nov 2026, 13:03 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in 6.1.7

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Apache Software FoundationApache RollerAffected
  • >=4.0 <=6.1.6
Fixed in–
GitHubApache Rollerpkg:github/Apache RollerOther threatsAffected
  • >=4.0 <=6.1.6
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should upgrade Apache Roller to version 6.1.7 or later, which removes the unsafe deserialization and mitigates the vulnerability. No other mitigation is indicated or recommended by the vendor.

Description

Apache Roller versions 4.0 through 6.1.6 are affected by a deserialization of untrusted data vulnerability (CWE-502). This occurs when the XML-RPC client in Roller deserializes Java object data from a weblog update ping response, allowing an attacker controlling that response to execute code within the Roller server process. The issue is resolved in version 6.1.7, which removes the unsafe deserialization.

References

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