CVE-2026-84775

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.

Unauthenticated Denial of Service Attack in Really Simple SSL <= 9.8.0 versions.

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
15%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 2, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

Denial of Service Attack in WordPress Really Simple SSL Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/really-simple-ssl/vulnerability/wordpress-really-simple-ssl-plugin-9-8-0-denial-of-service-attack-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-84775(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 / 54× 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. 2026-09-21 00:46 UTCEG score recompute
  2. 2026-09-21 00:46 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 01:30 UTCEG score recompute
  5. 2026-09-20 01:30 UTCGHSA enrichment
  6. 2026-09-19 02:15 UTCEG score recompute
  7. 2026-09-19 02:15 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 03:00 UTCEG score recompute
  10. 2026-09-18 03:00 UTCGHSA enrichment
  11. 2026-09-17 19:32 UTCEPSS rescore
  12. 2026-09-17 03:45 UTCEG score recompute
  13. 2026-09-17 03:45 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-16 04:30 UTCGHSA enrichment
  17. 2026-09-15 05:05 UTCEG score recompute
  18. 2026-09-15 05:04 UTCGHSA enrichment
  19. 2026-09-15 03:12 UTCEPSS rescore
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-14 05:32 UTCEG score recompute
  22. 2026-09-14 05:32 UTCGHSA enrichment
  23. 2026-09-13 06:17 UTCEG score recompute
  24. 2026-09-13 06:17 UTCGHSA enrichment
  25. 2026-09-12 07:02 UTCEG score recompute
Show 29 more
  1. 2026-09-12 07:02 UTCGHSA enrichment
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-11 14:53 UTCEPSS rescore
  4. 2026-09-11 07:46 UTCEG score recompute
  5. 2026-09-11 07:46 UTCGHSA enrichment
  6. 2026-09-10 08:31 UTCGHSA enrichment
  7. 2026-09-09 09:15 UTCGHSA enrichment
  8. 2026-09-08 10:00 UTCEG score recompute
  9. 2026-09-08 09:59 UTCGHSA enrichment
  10. 2026-09-07 10:36 UTCEG score recompute
  11. 2026-09-07 10:36 UTCGHSA enrichment
  12. 2026-09-06 13:48 UTCEPSS rescore
  13. 2026-09-06 11:18 UTCEG score recompute
  14. 2026-09-06 11:18 UTCGHSA enrichment
  15. 2026-09-05 15:31 UTCEPSS rescore
  16. 2026-09-05 12:03 UTCEG score recompute
  17. 2026-09-05 12:03 UTCGHSA enrichment
  18. 2026-09-04 12:46 UTCEG score recompute
  19. 2026-09-04 12:46 UTCGHSA enrichment
  20. 2026-09-04 05:07 UTCEPSS rescore
  21. 2026-09-03 13:29 UTCGHSA enrichment
  22. 2026-09-02 14:11 UTCGHSA enrichment
  23. 2026-09-02 13:32 UTCEG score recompute
  24. 2026-09-02 13:31 UTCGHSA enrichment
  25. 2026-09-02 12:56 UTCEG score recompute
  26. 2026-09-02 12:56 UTCGHSA enrichment
  27. 2026-09-02 12:25 UTCEG score recompute
  28. 2026-09-02 11:50 UTCEG score recompute
  29. 2026-09-02 11:48 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-84775?
CVE-2026-84775 is a medium vulnerability published on September 2, 2026. Unauthenticated Denial of Service Attack in Really Simple SSL <= 9.8.0 versions.
When was CVE-2026-84775 disclosed?
CVE-2026-84775 was first published in the National Vulnerability Database on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-84775 actively exploited?
CVE-2026-84775 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 84.9% of all scored CVEs.
What is the CVSS score of CVE-2026-84775?
CVE-2026-84775 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-84775?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-84775, 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-2026-84775

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