CVE-2026-82348

HIGHPre-NVD 7.77.7—
EchelonGraph scoreHIGH confidence

Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-28. A secondary CVSS source baseline 7.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
7.7EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 7.7Exploit: None knownExposed services: Not assessed

An upstream fix is merged but not yet released — mitigate (WAF / firewall / segmentation) until the release ships, then apply it.

Authorization Bypass Through User-Controlled Key in Apache Roller 6.1.5 allows an authenticated user with authoring rights on one weblog to read, modify, or delete resources belonging to another weblog through unscoped identifier-based lookups. This affects multi-user installations where users are intended to be isolated between weblogs; no optional feature or non-default configuration is required. A user with administrator rights on their weblog can also overwrite another weblog's Velocity template, whose content is evaluated when the victim weblog renders. Users are recommended to upgrade to Apache Roller 6.1.6 or later, which scopes authoring resource lookups to the acting weblog.

CVSS v3
7.7
EG Score
7.7HIGHhigh confidence
EG Risk
35
EG Risk 35/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity77% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.
EPSS PROB
0.4%
EPSS %ILE
28th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

An upstream fix is merged but not yet in a tagged release. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines until it ships, then apply the release.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

September 28, 2026

Last Modified

September 29, 2026

Advisory Details (2)

Auto-updated Sep 28, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic
https://lists.apache.org/thread/3h7zk8dhbt8fj5zdt8cjghx0b807wgy1
github_pr

Scope authoring resource lookups to the action weblog

Fix merged in apache/roller PR #162 on 2026-09-05 — awaiting tagged release

https://github.com/apache/roller/pull/162

Vendor Advisories for CVE-2026-82348(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 31× in last 7d / 31× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-10-04 11:50 UTCGHSA enrichment
  2. 2026-10-03 22:55 UTCEG score recompute
  3. 2026-10-03 22:55 UTCGHSA enrichment
  4. 2026-10-03 14:26 UTCEPSS rescore
  5. 2026-10-03 09:58 UTCGHSA enrichment
  6. 2026-10-02 20:57 UTCEG score recompute
  7. 2026-10-02 20:57 UTCGHSA enrichment
  8. 2026-10-02 17:57 UTCEPSS rescore
  9. 2026-10-02 08:02 UTCEG score recompute
  10. 2026-10-02 08:02 UTCGHSA enrichment
  11. 2026-10-01 19:50 UTCEPSS rescore
  12. 2026-10-01 19:07 UTCGHSA enrichment
  13. 2026-10-01 06:11 UTCGHSA enrichment
  14. 2026-09-30 17:16 UTCEG score recompute
  15. 2026-09-30 17:16 UTCGHSA enrichment
  16. 2026-09-30 15:04 UTCEPSS rescore
  17. 2026-09-30 04:21 UTCGHSA enrichment
  18. 2026-09-29 15:25 UTCEG score recompute
  19. 2026-09-29 15:25 UTCGHSA enrichment
  20. 2026-09-29 15:09 UTCEG score recompute
  21. 2026-09-29 15:09 UTCGHSA enrichment
  22. 2026-09-29 03:26 UTCEG score recompute
  23. 2026-09-29 03:26 UTCGHSA enrichment
  24. 2026-09-28 14:30 UTCEG score recompute
  25. 2026-09-28 14:30 UTCGHSA enrichment
Show 6 more
  1. 2026-09-28 13:52 UTCEPSS rescore
  2. 2026-09-28 09:32 UTCEG score recompute
  3. 2026-09-28 09:32 UTCGHSA enrichment
  4. 2026-09-28 08:29 UTCEG score recompute
  5. 2026-09-28 07:47 UTCEG score recompute
  6. 2026-09-28 07:47 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-82348?
CVE-2026-82348 is a high vulnerability published on September 28, 2026. Authorization Bypass Through User-Controlled Key in Apache Roller 6.1.5 allows an authenticated user with authoring rights on one weblog to read, modify, or delete resources belonging to another weblog through unscoped identifier-based lookups. This affects multi-user installations where users are…
When was CVE-2026-82348 disclosed?
CVE-2026-82348 was first published on September 28, 2026, with the most recent update on September 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82348 actively exploited?
CVE-2026-82348 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (28th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-82348?
CVE-2026-82348 has a CVSS base score of 7.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-82348?
An upstream fix for CVE-2026-82348 has been merged but is not yet in a tagged release. Until it ships, restrict network exposure of the affected system or apply the vendor's mitigation, then update to the release that contains the fix. The vendor advisories EchelonGraph has for CVE-2026-82348 are linked in the Vendor Advisories panel on this page.

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