CVE-2026-92806

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-16. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.1Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

phpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler. Attackers can induce logged-in administrators to visit crafted pages that silently delete and blacklist arbitrary subscriber addresses without authentication verification.

CVSS v3
8.1
EG Score
8.1(high)
EG Risk
52(Track)
EG Risk 52/100SSVC: Track

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
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

September 16, 2026

Last Modified

September 22, 2026

Advisory Details (5)

Auto-updated Sep 16, 2026
No patch confirmed yet.
generic

phpList before 3.6.17 Cross-Site Request Forgery via massremove.php | Advisories | VulnCheck

https://www.vulncheck.com/advisories/phplist-before-3.6.17-cross-site-request-forgery-via-massremove-php
generic

GitHub - phpList/phplist3: Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters. · GitHub

https://github.com/phpList/phplist3
generic

phplist3/public_html/lists/admin/massremove.php at v3.6.17 · phpList/phplist3 · GitHub

https://github.com/phpList/phplist3/blob/v3.6.17/public_html/lists/admin/massremove.php#L10
generic

phplist3/public_html/lists/admin/massremove.php at v3.6.16 · phpList/phplist3 · GitHub

https://github.com/phpList/phplist3/blob/v3.6.16/public_html/lists/admin/massremove.php#L13-L24
generic

oss/phplist3.md at main · geo-chen/oss · GitHub

https://github.com/geo-chen/oss/blob/main/phplist3.md

Vendor Advisories for CVE-2026-92806(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 28× in last 7d / 40× 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. 2026-09-25 07:11 UTCGHSA enrichment
  2. 2026-09-24 19:31 UTCEG score recompute
  3. 2026-09-24 19:31 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 07:51 UTCGHSA enrichment
  6. 2026-09-23 20:12 UTCEG score recompute
  7. 2026-09-23 20:12 UTCGHSA enrichment
  8. 2026-09-23 17:54 UTCEPSS rescore
  9. 2026-09-23 08:33 UTCGHSA enrichment
  10. 2026-09-22 20:53 UTCEG score recompute
  11. 2026-09-22 20:53 UTCGHSA enrichment
  12. 2026-09-22 16:01 UTCEPSS rescore
  13. 2026-09-22 11:03 UTCGHSA enrichment
  14. 2026-09-21 23:23 UTCEG score recompute
  15. 2026-09-21 23:23 UTCGHSA enrichment
  16. 2026-09-21 21:09 UTCEPSS rescore
  17. 2026-09-21 11:44 UTCGHSA enrichment
  18. 2026-09-21 00:05 UTCEG score recompute
  19. 2026-09-21 00:05 UTCGHSA enrichment
  20. 2026-09-20 20:16 UTCEPSS rescore
  21. 2026-09-20 12:25 UTCGHSA enrichment
  22. 2026-09-20 00:42 UTCEG score recompute
  23. 2026-09-20 00:42 UTCGHSA enrichment
  24. 2026-09-19 13:03 UTCGHSA enrichment
  25. 2026-09-19 01:23 UTCEG score recompute
Show 15 more
  1. 2026-09-19 01:23 UTCGHSA enrichment
  2. 2026-09-18 19:28 UTCEPSS rescore
  3. 2026-09-18 13:44 UTCGHSA enrichment
  4. 2026-09-18 02:05 UTCEG score recompute
  5. 2026-09-18 02:05 UTCGHSA enrichment
  6. 2026-09-17 19:32 UTCEPSS rescore
  7. 2026-09-17 14:25 UTCEG score recompute
  8. 2026-09-17 14:25 UTCGHSA enrichment
  9. 2026-09-17 13:52 UTCEG score recompute
  10. 2026-09-17 13:52 UTCGHSA enrichment
  11. 2026-09-17 09:03 UTCEG score recompute
  12. 2026-09-17 09:03 UTCGHSA enrichment
  13. 2026-09-16 21:23 UTCEG score recompute
  14. 2026-09-16 20:36 UTCEG score recompute
  15. 2026-09-16 20:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-92806?
CVE-2026-92806 is a high vulnerability published on September 16, 2026. phpList versions before 3.6.17 fail to validate cross-site request forgery tokens in the mass subscriber removal form handler. Attackers can induce logged-in administrators to visit crafted pages that silently delete and blacklist arbitrary subscriber addresses without authentication verification.
When was CVE-2026-92806 disclosed?
CVE-2026-92806 was first published in the National Vulnerability Database on September 16, 2026, with the most recent update on September 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-92806 actively exploited?
CVE-2026-92806 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 84.0% of all scored CVEs.
What is the CVSS score of CVE-2026-92806?
CVE-2026-92806 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-92806?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-92806, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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