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VulnerabilityPublished

CVE-2026-105153: Apache Roller · XML External Entity (XXE)

Affects Apache RollerSource CVE Database V5

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Not known to be exploited · CVSS 7.7 High · fixed in 6.1.7 : patch Apache Roller soon.

Data as of 11 Nov 2026, 12:54 UTC

CVSS 3.1 base score
7.7High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (apache)CVSS 3.17.7
Patch
Available – fixed in 6.1.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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–

AI-suggested

Users should upgrade to Apache Roller version 6.1.7 or later, where the AtomPub entries are parsed with a hardened XML configuration that prevents XXE attacks. Additionally, the AtomPub endpoint rejects requests when the feature is disabled, reducing the attack surface. No other mitigation is indicated by the vendor advisory.

Description

CVE-2026-105153 is an XML External Entity (XXE) vulnerability in Apache Roller versions 4.0 through 6.1.6. It allows any authenticated user, even without weblog permissions, to read files accessible by the Roller process and to cause the server to make outbound HTTP requests to attacker-controlled destinations. This occurs because the AtomPub endpoint parses Atom entries with an XML parser configuration that permits external entities and DTD subsets before authorization checks or feature enablement checks. The vulnerability is fixed in Apache Roller 6.1.7 and later, which use a hardened XML parser configuration and reject AtomPub requests when the feature is disabled.

References

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