CVE-2026-84835

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-02. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Missing Authorization vulnerability in DimaFreund Rentsyst rentsyst allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Rentsyst: from n/a through 2.1.5.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
21%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 23, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
Patch available.
generic Patch Available

Broken Access Control in WordPress Rentsyst Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/rentsyst/vulnerability/wordpress-rentsyst-plugin-2-1-2-broken-access-control-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-84835(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 22× in last 7d / 67× 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. 2026-09-24 14:04 UTCEPSS rescore
  2. 2026-09-24 11:30 UTCEG score recompute
  3. 2026-09-24 11:30 UTCGHSA enrichment
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 09:17 UTCEG score recompute
  6. 2026-09-23 09:17 UTCGHSA enrichment
  7. 2026-09-23 09:01 UTCEG score recompute
  8. 2026-09-23 09:01 UTCGHSA enrichment
  9. 2026-09-23 08:29 UTCEG score recompute
  10. 2026-09-23 08:29 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 06:15 UTCEG score recompute
  13. 2026-09-22 06:15 UTCGHSA enrichment
  14. 2026-09-21 21:09 UTCEPSS rescore
  15. 2026-09-21 04:02 UTCEG score recompute
  16. 2026-09-21 04:02 UTCGHSA enrichment
  17. 2026-09-20 20:16 UTCEPSS rescore
  18. 2026-09-20 01:49 UTCEG score recompute
  19. 2026-09-20 01:49 UTCGHSA enrichment
  20. 2026-09-18 23:36 UTCEG score recompute
  21. 2026-09-18 23:36 UTCGHSA enrichment
  22. 2026-09-18 19:28 UTCEPSS rescore
  23. 2026-09-17 21:23 UTCEG score recompute
  24. 2026-09-17 21:23 UTCGHSA enrichment
  25. 2026-09-17 19:32 UTCEPSS rescore
Show 42 more
  1. 2026-09-16 19:08 UTCEG score recompute
  2. 2026-09-16 19:08 UTCGHSA enrichment
  3. 2026-09-16 14:09 UTCEPSS rescore
  4. 2026-09-16 05:15 UTCEPSS rescore
  5. 2026-09-15 16:55 UTCEG score recompute
  6. 2026-09-15 16:55 UTCGHSA enrichment
  7. 2026-09-15 03:12 UTCEPSS rescore
  8. 2026-09-15 03:12 UTCEPSS rescore
  9. 2026-09-14 14:42 UTCEG score recompute
  10. 2026-09-14 14:42 UTCGHSA enrichment
  11. 2026-09-13 12:29 UTCEG score recompute
  12. 2026-09-13 12:29 UTCGHSA enrichment
  13. 2026-09-12 10:16 UTCEG score recompute
  14. 2026-09-12 10:16 UTCGHSA enrichment
  15. 2026-09-11 14:53 UTCEPSS rescore
  16. 2026-09-11 14:53 UTCEPSS rescore
  17. 2026-09-11 08:01 UTCEG score recompute
  18. 2026-09-11 08:01 UTCGHSA enrichment
  19. 2026-09-10 05:48 UTCGHSA enrichment
  20. 2026-09-09 03:34 UTCEG score recompute
  21. 2026-09-09 03:34 UTCGHSA enrichment
  22. 2026-09-08 22:01 UTCEPSS rescore
  23. 2026-09-08 01:21 UTCEG score recompute
  24. 2026-09-08 01:21 UTCGHSA enrichment
  25. 2026-09-06 23:08 UTCEG score recompute
  26. 2026-09-06 23:08 UTCGHSA enrichment
  27. 2026-09-06 13:48 UTCEPSS rescore
  28. 2026-09-05 20:55 UTCEG score recompute
  29. 2026-09-05 20:55 UTCGHSA enrichment
  30. 2026-09-05 15:31 UTCEPSS rescore
  31. 2026-09-04 18:42 UTCEG score recompute
  32. 2026-09-04 18:42 UTCGHSA enrichment
  33. 2026-09-04 05:07 UTCEPSS rescore
  34. 2026-09-03 16:25 UTCGHSA enrichment
  35. 2026-09-02 14:11 UTCGHSA enrichment
  36. 2026-09-02 13:32 UTCEG score recompute
  37. 2026-09-02 13:31 UTCGHSA enrichment
  38. 2026-09-02 12:56 UTCEG score recompute
  39. 2026-09-02 12:56 UTCGHSA enrichment
  40. 2026-09-02 12:25 UTCEG score recompute
  41. 2026-09-02 11:58 UTCEG score recompute
  42. 2026-09-02 11:58 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84835?
CVE-2026-84835 is a medium vulnerability published on September 2, 2026. Missing Authorization vulnerability in DimaFreund Rentsyst rentsyst allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Rentsyst: from n/a through 2.1.5.
When was CVE-2026-84835 disclosed?
CVE-2026-84835 was first published in the National Vulnerability Database on September 2, 2026, with the most recent update on September 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84835 actively exploited?
CVE-2026-84835 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 78.5% of all scored CVEs.
What is the CVSS score of CVE-2026-84835?
CVE-2026-84835 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-84835?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84835, 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

Explore the affected products and dependency analysis for CVE-2026-84835

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