CVE-2026-77782

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
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.

The Rank Math SEO WordPress plugin before 1.0.277.1 does not check whether a post is password protected before using its content to build publicly generated SEO metadata, allowing unauthenticated users to read the content of password-protected posts.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 3, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Rank Math SEO < 1.0.277.1 – Unauthenticated Password-Protected Post Content Disclosure via Post Metadata and llms.txt | CVE 2026-77782 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e7a81d62-3fc7-4212-bd77-c559a6065808/

Vendor Advisories for CVE-2026-77782(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 18× in last 7d / 63× 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 16:57 UTCEG score recompute
  2. 2026-09-24 16:57 UTCGHSA enrichment
  3. 2026-09-24 14:04 UTCEPSS rescore
  4. 2026-09-23 17:54 UTCEPSS rescore
  5. 2026-09-23 17:36 UTCGHSA enrichment
  6. 2026-09-22 18:03 UTCEG score recompute
  7. 2026-09-22 18:03 UTCGHSA enrichment
  8. 2026-09-22 16:01 UTCEPSS rescore
  9. 2026-09-21 21:09 UTCEPSS rescore
  10. 2026-09-21 18:03 UTCEG score recompute
  11. 2026-09-21 18:03 UTCGHSA enrichment
  12. 2026-09-20 20:16 UTCEPSS rescore
  13. 2026-09-20 18:43 UTCGHSA enrichment
  14. 2026-09-19 19:21 UTCEG score recompute
  15. 2026-09-19 19:21 UTCGHSA enrichment
  16. 2026-09-18 20:00 UTCEG score recompute
  17. 2026-09-18 20:00 UTCGHSA enrichment
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-17 20:39 UTCEG score recompute
  20. 2026-09-17 20:39 UTCGHSA enrichment
  21. 2026-09-16 19:13 UTCEG score recompute
  22. 2026-09-16 19:13 UTCGHSA enrichment
  23. 2026-09-16 14:08 UTCEPSS rescore
  24. 2026-09-16 05:15 UTCEPSS rescore
  25. 2026-09-15 19:50 UTCEG score recompute
Show 38 more
  1. 2026-09-15 19:50 UTCGHSA enrichment
  2. 2026-09-15 03:12 UTCEPSS rescore
  3. 2026-09-15 03:12 UTCEPSS rescore
  4. 2026-09-14 20:28 UTCGHSA enrichment
  5. 2026-09-13 21:00 UTCEG score recompute
  6. 2026-09-13 21:00 UTCGHSA enrichment
  7. 2026-09-12 21:39 UTCEG score recompute
  8. 2026-09-12 21:39 UTCGHSA enrichment
  9. 2026-09-11 22:18 UTCEG score recompute
  10. 2026-09-11 22:18 UTCGHSA enrichment
  11. 2026-09-11 14:53 UTCEPSS rescore
  12. 2026-09-10 22:54 UTCEG score recompute
  13. 2026-09-10 22:54 UTCGHSA enrichment
  14. 2026-09-10 09:35 UTCEPSS rescore
  15. 2026-09-09 23:33 UTCGHSA enrichment
  16. 2026-09-08 23:15 UTCEG score recompute
  17. 2026-09-08 23:15 UTCGHSA enrichment
  18. 2026-09-08 22:01 UTCEPSS rescore
  19. 2026-09-07 15:34 UTCGHSA enrichment
  20. 2026-09-06 16:14 UTCEG score recompute
  21. 2026-09-06 16:14 UTCGHSA enrichment
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-05 16:52 UTCEG score recompute
  24. 2026-09-05 16:52 UTCGHSA enrichment
  25. 2026-09-04 17:28 UTCEG score recompute
  26. 2026-09-04 17:28 UTCGHSA enrichment
  27. 2026-09-04 05:07 UTCEPSS rescore
  28. 2026-09-03 18:04 UTCGHSA enrichment
  29. 2026-09-03 10:51 UTCEG score recompute
  30. 2026-09-03 10:51 UTCGHSA enrichment
  31. 2026-09-02 14:12 UTCEPSS rescore
  32. 2026-09-02 11:25 UTCGHSA enrichment
  33. 2026-09-02 10:52 UTCEG score recompute▲ 5.30
  34. 2026-09-02 10:51 UTCGHSA enrichment
  35. 2026-09-02 10:48 UTCMITRE cvelistV5CVSS v3 → 5.3 · severity → MEDIUM
  36. 2026-09-02 06:26 UTCNVD update
  37. 2026-09-02 06:08 UTCEG score recompute
  38. 2026-09-02 06:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77782?
CVE-2026-77782 is a medium vulnerability published on September 2, 2026. The Rank Math SEO WordPress plugin before 1.0.277.1 does not check whether a post is password protected before using its content to build publicly generated SEO metadata, allowing unauthenticated users to read the content of password-protected posts.
When was CVE-2026-77782 disclosed?
CVE-2026-77782 was first published in the National Vulnerability Database on September 2, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-77782 actively exploited?
CVE-2026-77782 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 74.8% of all scored CVEs.
What is the CVSS score of CVE-2026-77782?
CVE-2026-77782 has a CVSS v3.1 base score of 5.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-77782?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77782, 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-2026-77782

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