EUVD-2026-88138
GHSA-j4w8-34rj-87r3
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Unauthenticated network reach with no interaction (AV:N/AC:L/PR:N/UI:N); impact limited to one recoverable config value, so I:L and A:L rather than the vendor's I:H, no confidentiality.
Primary rating from Vendor (CNA).
CVSS VectorVendor
Lifecycle Timeline
4Description PRE-NVD
Articles & Coverage 5
AnalysisAI
Unauthenticated configuration tampering in Apache Roller 6.1.5 lets any remote attacker persistently rewrite the site-global frontpage weblog selection on a default installation, because the installation-time setup action remains anonymously reachable after setup completes and persists the value without any authorization check. Impact is bounded rather than severe: only one site-global setting is altered, no data is disclosed (C:N), and a global administrator can restore the setting afterward, which is why our independent assessment scores it CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L rather than the submitted 8.2 high with I:H/A:L. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions - remote unauthenticated exploitation against default configurations of Apache Roller 6.1.5. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but bounded-impact issue. … 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, the vendor-recommended fix version, which restricts the write to global administrators; the upstream change is captured in apache/roller pull request 170 (https://github.com/apache/roller/pull/170), with project-level guidance at https://roller.apache.org/ and the oss-security advisory at https://seclists.org/oss-sec/2026/q3/948. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every internet-facing Apache Roller 6.1.5 deployment, verify the current site-global frontpage weblog setting against an approved baseline, capture its value for restoration, and restrict anonymous access to the post-setup configuration and installation-time setup endpoints at the reverse proxy or web server (return 403/404 for those paths from untrusted sources); if a deployment cannot be isolated immediately, temporarily move it behind an authenticated access layer. …
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External POC / Exploit Code
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