CVE-2026-88395

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-10-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 5 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.4%CVSS: 9.8Exploit: Elevated riskExposed services: Not assessed

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

GouGuOA v6.0.5 and before is vulnerable to SQL Injection in /home/message/rubbish via the keywords parameter.

CVSS v3
9.8
EG Score
9.8CRITICALhigh confidence
EG Risk
75
EG Risk 75/100CISA SSVC

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
0.4%
EPSS %ILE
31st
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (CISA Vulnrichment) · Automatable yes (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

October 5, 2026

Last Modified

October 6, 2026

Advisory Details (1)

Auto-updated Oct 6, 2026
No fix on record yet.
generic

CVE/GouGuOA/sql.md at main · fangtang7/CVE · GitHub

https://github.com/fangtang7/CVE/blob/main/GouGuOA/sql.md

Vendor Advisories for CVE-2026-88395(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 51× in last 7d / 51× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

  1. 2026-10-11 09:56 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  2. 2026-10-11 05:46 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  3. 2026-10-11 01:38 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  4. 2026-10-10 21:29 UTCEG score recompute
  5. 2026-10-10 21:29 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  6. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  7. 2026-10-10 17:15 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-10-10 13:07 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  9. 2026-10-10 08:59 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  10. 2026-10-10 04:50 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  11. 2026-10-10 00:42 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  12. 2026-10-09 20:33 UTCEG score recompute
  13. 2026-10-09 20:33 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  14. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  15. 2026-10-09 16:24 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  16. 2026-10-09 12:15 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  17. 2026-10-09 08:06 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  18. 2026-10-09 03:58 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  19. 2026-10-08 23:49 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  20. 2026-10-08 19:41 UTCEG score recompute
  21. 2026-10-08 19:41 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  22. 2026-10-08 17:13 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  23. 2026-10-08 15:28 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  24. 2026-10-08 10:15 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  25. 2026-10-08 06:06 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
Show 26 more
  1. 2026-10-08 01:57 UTCEG score recompute
  2. 2026-10-08 01:57 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  3. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  4. 2026-10-07 21:49 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  5. 2026-10-07 17:24 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  6. 2026-10-07 13:07 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  7. 2026-10-07 08:59 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  8. 2026-10-07 04:51 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  9. 2026-10-07 00:42 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  10. 2026-10-06 20:29 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  11. 2026-10-06 16:20 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  12. 2026-10-06 16:07 UTCEG score recompute
  13. 2026-10-06 16:07 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  14. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.4% · 31st percentile
  15. 2026-10-06 11:59 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  16. 2026-10-06 07:51 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  17. 2026-10-06 03:43 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  18. 2026-10-05 23:35 UTCEG score recompute
  19. 2026-10-05 23:35 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf · GitHub severity CRITICAL · GitHub CVSS 9.8
  20. 2026-10-05 19:24 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf
  21. 2026-10-05 19:01 UTCEG score recompute▲ 9.80
  22. 2026-10-05 19:01 UTCGHSA enrichmentGHSA-vhh3-gm7q-rqjf
  23. 2026-10-05 19:00 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  24. 2026-10-05 16:27 UTCNVD update
  25. 2026-10-05 15:42 UTCEG score recompute
  26. 2026-10-05 15:41 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-88395?
CVE-2026-88395 is a critical vulnerability published on October 5, 2026. GouGuOA v6.0.5 and before is vulnerable to SQL Injection in /home/message/rubbish via the keywords parameter.
When was the CVE record for CVE-2026-88395 published?
The CVE record for CVE-2026-88395 was published on October 5, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of October 6, 2026; the record at its source may have been updated since.
Is CVE-2026-88395 actively exploited?
CVE-2026-88395 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.4% probability of exploitation in the next 30 days (31st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-88395?
CVE-2026-88395 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-88395?
No fix for CVE-2026-88395 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix. The vendor advisories EchelonGraph has for CVE-2026-88395 are linked in the Vendor Advisories panel on this page.

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