CVE-2026-9171

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-17. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

IBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
24%
KEV
Not listed

Published

July 17, 2026

Last Modified

July 21, 2026

Advisory Details (1)

Auto-updated Jul 17, 2026
No patch confirmed yet.
generic

Security Bulletin: Vulnerabilities in IBM WebSphere Application (CVE-2026-50645, CVE-2026-9322, CVE-2026-11541, CVE-2026-4410, CVE-2026-9320, CVE-2026-8646, CVE-2026-11806, CVE-2026-9071, CVE-2026-11546, CVE-2026-5516) affects IBM PowerVM Novalink.

https://www.ibm.com/support/pages/node/7280226

Vendor Advisories for CVE-2026-9171(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 19× 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. 2026-07-28 08:36 UTCGHSA enrichment
  2. 2026-07-27 21:16 UTCEG score recompute
  3. 2026-07-27 21:16 UTCGHSA enrichment
  4. 2026-07-27 14:14 UTCEPSS rescore
  5. 2026-07-27 09:56 UTCGHSA enrichment
  6. 2026-07-26 22:38 UTCEG score recompute
  7. 2026-07-26 22:37 UTCGHSA enrichment
  8. 2026-07-26 14:54 UTCEPSS rescore
  9. 2026-07-26 11:18 UTCEG score recompute
  10. 2026-07-26 11:18 UTCGHSA enrichment
  11. 2026-07-25 14:18 UTCEPSS rescore
  12. 2026-07-24 14:18 UTCEPSS rescore
  13. 2026-07-23 14:18 UTCEPSS rescore
  14. 2026-07-23 03:23 UTCEG score recompute
  15. 2026-07-23 00:15 UTCEG score recompute
  16. 2026-07-23 00:15 UTCGHSA enrichment
  17. 2026-07-22 14:08 UTCEPSS rescore
  18. 2026-07-21 15:25 UTCEPSS rescore
  19. 2026-07-21 15:25 UTCEPSS rescore
  20. 2026-07-20 17:08 UTCEPSS rescore
  21. 2026-07-19 14:31 UTCEPSS rescore
  22. 2026-07-19 02:29 UTCEPSS rescore
  23. 2026-07-17 20:01 UTCEG score recompute
  24. 2026-07-17 18:35 UTCEG score recompute
  25. 2026-07-17 18:34 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9171?
CVE-2026-9171 is a high vulnerability published on July 17, 2026. IBM PowerVM Novalink are vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume memory resources.
When was CVE-2026-9171 disclosed?
CVE-2026-9171 was first published in the National Vulnerability Database on July 17, 2026, with the most recent update on July 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9171 actively exploited?
CVE-2026-9171 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 76.3% of all scored CVEs.
What is the CVSS score of CVE-2026-9171?
CVE-2026-9171 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-9171?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9171, 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-2026-9171

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