CVE-2026-77787

LOWPre-NVD 2.72.7—
EchelonGraph scoreHIGH confidence

Score 2.7 from GitHub Security Advisory (severity: LOW) published 2026-09-02. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 2.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
2.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 2.7Exploit: 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 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users.

CVSS v3
2.7
EG Score
2.7(high)
EG Risk
12(Track)
EG Risk 12/100SSVC: 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
Severity27% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 3, 2026

References (1)

Vendor Advisories for CVE-2026-77787(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 10× in last 7d / 38× 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. 2026-09-23 17:54 UTCEPSS rescore
  3. 2026-09-23 02:53 UTCEG score recompute
  4. 2026-09-23 02:53 UTCGHSA enrichment
  5. 2026-09-22 16:01 UTCEPSS rescore
  6. 2026-09-21 21:09 UTCEPSS rescore
  7. 2026-09-20 20:16 UTCEPSS rescore
  8. 2026-09-20 08:29 UTCEG score recompute
  9. 2026-09-20 08:29 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-17 14:00 UTCEG score recompute
  12. 2026-09-17 14:00 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-15 03:12 UTCEPSS rescore
  17. 2026-09-14 19:37 UTCEG score recompute
  18. 2026-09-14 19:37 UTCGHSA enrichment
  19. 2026-09-12 01:14 UTCEG score recompute
  20. 2026-09-12 01:14 UTCGHSA enrichment
  21. 2026-09-10 09:35 UTCEPSS rescore
  22. 2026-09-09 06:50 UTCEG score recompute
  23. 2026-09-09 06:50 UTCGHSA enrichment
  24. 2026-09-08 22:01 UTCEPSS rescore
  25. 2026-09-06 13:48 UTCEPSS rescore
Show 13 more
  1. 2026-09-06 12:27 UTCEG score recompute
  2. 2026-09-06 12:27 UTCGHSA enrichment
  3. 2026-09-04 05:07 UTCEPSS rescore
  4. 2026-09-03 18:04 UTCEG score recompute
  5. 2026-09-03 18:04 UTCGHSA enrichment
  6. 2026-09-02 14:12 UTCEPSS rescore
  7. 2026-09-02 11:25 UTCGHSA enrichment
  8. 2026-09-02 10:52 UTCEG score recompute▲ 2.70
  9. 2026-09-02 10:51 UTCGHSA enrichment
  10. 2026-09-02 10:48 UTCMITRE cvelistV5CVSS v3 → 2.7 · severity → LOW
  11. 2026-09-02 06:26 UTCNVD update
  12. 2026-09-02 06:07 UTCEG score recompute
  13. 2026-09-02 06:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77787?
CVE-2026-77787 is a low vulnerability published on September 2, 2026. The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit…
When was CVE-2026-77787 disclosed?
CVE-2026-77787 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-2026-77787 actively exploited?
CVE-2026-77787 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 81.7% of all scored CVEs.
What is the CVSS score of CVE-2026-77787?
CVE-2026-77787 has a CVSS v3.1 base score of 2.7 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-77787?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77787, 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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