CVE-2026-17642

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

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

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

August 12, 2026

Last Modified

August 17, 2026

Advisory Details (1)

Auto-updated Aug 12, 2026
No patch confirmed yet.
generic

Security Bulletin: IBM i is Affected By Remote Code Execution Vulnerabilities [CVE-2026-17642, CVE-2026-17417]

https://www.ibm.com/support/pages/node/7283275

Vendor Advisories for CVE-2026-17642(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 27× in last 7d / 41× 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. 2026-08-21 01:17 UTCEG score recompute
  2. 2026-08-21 01:17 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 12:05 UTCGHSA enrichment
  5. 2026-08-19 22:51 UTCEG score recompute
  6. 2026-08-19 22:51 UTCGHSA enrichment
  7. 2026-08-19 17:03 UTCEPSS rescore
  8. 2026-08-19 09:38 UTCGHSA enrichment
  9. 2026-08-18 20:25 UTCEG score recompute
  10. 2026-08-18 20:25 UTCGHSA enrichment
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-18 07:09 UTCGHSA enrichment
  13. 2026-08-17 17:55 UTCEG score recompute
  14. 2026-08-17 17:55 UTCGHSA enrichment
  15. 2026-08-17 13:47 UTCEPSS rescore
  16. 2026-08-17 11:44 UTCGHSA enrichment
  17. 2026-08-16 22:25 UTCEG score recompute
  18. 2026-08-16 22:25 UTCGHSA enrichment
  19. 2026-08-16 14:56 UTCEPSS rescore
  20. 2026-08-16 09:12 UTCEG score recompute
  21. 2026-08-16 09:12 UTCGHSA enrichment
  22. 2026-08-16 02:14 UTCEPSS rescore
  23. 2026-08-15 20:01 UTCGHSA enrichment
  24. 2026-08-15 06:49 UTCEG score recompute
  25. 2026-08-15 06:49 UTCGHSA enrichment
Show 16 more
  1. 2026-08-15 01:30 UTCEPSS rescore
  2. 2026-08-14 16:52 UTCGHSA enrichment
  3. 2026-08-14 03:36 UTCEG score recompute
  4. 2026-08-14 03:36 UTCGHSA enrichment
  5. 2026-08-13 22:00 UTCEPSS rescore
  6. 2026-08-13 14:24 UTCEG score recompute
  7. 2026-08-13 14:24 UTCGHSA enrichment
  8. 2026-08-13 13:56 UTCEG score recompute
  9. 2026-08-13 13:56 UTCGHSA enrichment
  10. 2026-08-13 05:19 UTCEG score recompute
  11. 2026-08-13 05:19 UTCGHSA enrichment
  12. 2026-08-13 04:21 UTCEG score recompute
  13. 2026-08-13 04:21 UTCGHSA enrichment
  14. 2026-08-12 20:19 UTCEG score recompute
  15. 2026-08-12 19:46 UTCEG score recompute
  16. 2026-08-12 19:45 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-17642?
CVE-2026-17642 is a high vulnerability published on August 12, 2026. IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary commands due to improper neutralization of special elements used in an OS command.
When was CVE-2026-17642 disclosed?
CVE-2026-17642 was first published in the National Vulnerability Database on August 12, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-17642 actively exploited?
CVE-2026-17642 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 64.9% of all scored CVEs.
What is the CVSS score of CVE-2026-17642?
CVE-2026-17642 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-17642?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-17642, 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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