EUVD-2026-88130
GHSA-7gp3-prr3-4599
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Network-reachable import (AV:N/AC:L) requires a weblog-admin account (PR:L, no UI); XXE reads process-readable files and reaches internal hosts beyond the app (S:C, C:H), with no integrity/availability effect.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
4Description PRE-NVD
Articles & Coverage 4
AnalysisAI
XML external entity (XXE) processing in Apache Roller 6.1.5 allows an authenticated weblog administrator to read files accessible to the Roller process and to reach internal network addresses by importing a crafted OPML bookmark document, because the bookmark-import parser does not disable external entity resolution. The advisory confirms no non-default configuration is required - the administrator bookmark-import action is vulnerable out of the box on the affected release - which is consistent with the assessed CVSS 3.1 score of 7.7 High (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N, scope changed, confidentiality-only impact). …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated weblog-administrator account (PR:L) that can reach the administrator bookmark-import action; the attacker supplies a crafted OPML document whose external entity/DTD references trigger the vulnerable, non-hardened bookmark import parser. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N, 7.7 High) describes a network-reachable, low-complexity attack requiring an authenticated privileged actor (a weblog administrator, PR:L) and no user interaction. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade to Apache Roller 6.1.6 or later, which is the vendor-released patch and ships a hardened bookmark-import parser that disables external entity resolution and document type declarations; the change is tracked in https://github.com/apache/roller/pull/173, and upgrade guidance is available from the project at https://roller.apache.org/ and the disclosure at https://seclists.org/oss-sec/2026/q3/951. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every Apache Roller deployment to identify instances running 6.1.5, confirm the version string against the running artifact rather than documentation, and treat any unpatched internet-facing instance as priority; where a weblog administrator does not require bookmark/OPML import, disable or restrict that function, tighten the roster of accounts holding weblog administrator rights, and review recent OPML import activity and outbound connections from Roller hosts for anomalies. …
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