CVE-2026-88262

HIGHPre-NVD 8.78.7
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 4 sources updated this week
8.7EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.7Exploit: None knownExposed: 0

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

Insufficient session expiration vulnerability in bizwell xClick allows Authentication Bypass.

This issue affects xClick: R2, R3, and R3.1.

CVSS v3
8.7
EG Score
8.7(medium)
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
Severity87% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

September 15, 2026

Last Modified

September 18, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
No patch confirmed yet.
generic

그룹웨어 xClick | 솔루션 | 비즈웰

https://www.bizwell.net/solutions/groupware

Vendor Advisories for CVE-2026-88262(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 25× in last 7d / 25× 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. 2026-09-19 21:44 UTCEG score recompute
  2. 2026-09-19 21:44 UTCGHSA enrichment
  3. 2026-09-19 08:46 UTCGHSA enrichment
  4. 2026-09-18 19:48 UTCEG score recompute
  5. 2026-09-18 19:48 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 12:48 UTCGHSA enrichment
  8. 2026-09-17 23:51 UTCEG score recompute
  9. 2026-09-17 23:50 UTCGHSA enrichment
  10. 2026-09-17 19:32 UTCEPSS rescore
  11. 2026-09-17 10:46 UTCGHSA enrichment
  12. 2026-09-16 21:46 UTCEG score recompute
  13. 2026-09-16 21:46 UTCGHSA enrichment
  14. 2026-09-16 14:09 UTCEPSS rescore
  15. 2026-09-16 08:48 UTCEG score recompute
  16. 2026-09-16 08:48 UTCGHSA enrichment
  17. 2026-09-16 05:15 UTCEPSS rescore
  18. 2026-09-15 19:38 UTCEG score recompute
  19. 2026-09-15 19:38 UTCGHSA enrichment
  20. 2026-09-15 18:24 UTCEG score recompute
  21. 2026-09-15 18:24 UTCGHSA enrichment
  22. 2026-09-15 16:27 UTCGHSA enrichment
  23. 2026-09-15 03:30 UTCEG score recompute
  24. 2026-09-15 02:35 UTCEG score recompute
  25. 2026-09-15 02:34 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-88262?
CVE-2026-88262 is a high vulnerability published on September 15, 2026. Insufficient session expiration vulnerability in bizwell xClick allows Authentication Bypass. This issue affects xClick: R2, R3, and R3.1.
When was CVE-2026-88262 disclosed?
CVE-2026-88262 was first published in the National Vulnerability Database on September 15, 2026, with the most recent update on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-88262 actively exploited?
CVE-2026-88262 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 73.7% of all scored CVEs.
What is the CVSS score of CVE-2026-88262?
CVE-2026-88262 has a CVSS v3 base score of 8.7 (NVD).
How do I remediate CVE-2026-88262?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-88262, 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-2026-88262

Explore →

Is Your Infrastructure Affected by CVE-2026-88262?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.