CVE-2026-68006

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-09-10. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: None knownExposed: 0

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

An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/puma_http11/http11_parser.rl file

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
56(Track)
EG Risk 56/100SSVC: 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
Severity91% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
31%
KEV
Not listed

Published

September 10, 2026

Last Modified

September 14, 2026

Advisory Details (1)

Auto-updated Sep 15, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

HTTP Request Smuggling via Underscore Header Name Confusion (Transfer-Encoding / Content-Length Bypass) · Issue #1 · czx1111/cve · GitHub

https://github.com/czx1111/cve/issues/1

Vendor Advisories for CVE-2026-68006(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 45× in last 7d / 50× 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 16:07 UTCEG score recompute
  2. 2026-09-19 16:06 UTCGHSA enrichment
  3. 2026-09-19 12:08 UTCGHSA enrichment
  4. 2026-09-19 08:08 UTCGHSA enrichment
  5. 2026-09-19 04:10 UTCGHSA enrichment
  6. 2026-09-19 00:11 UTCGHSA enrichment
  7. 2026-09-18 20:13 UTCEG score recompute
  8. 2026-09-18 20:13 UTCGHSA enrichment
  9. 2026-09-18 19:28 UTCEPSS rescore
  10. 2026-09-18 16:13 UTCGHSA enrichment
  11. 2026-09-18 12:07 UTCGHSA enrichment
  12. 2026-09-18 08:08 UTCGHSA enrichment
  13. 2026-09-18 04:10 UTCGHSA enrichment
  14. 2026-09-18 00:12 UTCGHSA enrichment
  15. 2026-09-17 20:13 UTCEG score recompute
  16. 2026-09-17 20:13 UTCGHSA enrichment
  17. 2026-09-17 15:31 UTCGHSA enrichment
  18. 2026-09-17 11:32 UTCGHSA enrichment
  19. 2026-09-17 07:33 UTCGHSA enrichment
  20. 2026-09-17 03:34 UTCGHSA enrichment
  21. 2026-09-16 23:36 UTCGHSA enrichment
  22. 2026-09-16 19:37 UTCGHSA enrichment
  23. 2026-09-16 15:35 UTCEG score recompute
  24. 2026-09-16 15:35 UTCGHSA enrichment
  25. 2026-09-16 14:08 UTCEPSS rescore
Show 25 more
  1. 2026-09-16 11:20 UTCGHSA enrichment
  2. 2026-09-16 07:22 UTCEG score recompute
  3. 2026-09-16 07:22 UTCGHSA enrichment
  4. 2026-09-16 05:15 UTCEPSS rescore
  5. 2026-09-16 03:23 UTCGHSA enrichment
  6. 2026-09-15 23:23 UTCGHSA enrichment
  7. 2026-09-15 19:25 UTCGHSA enrichment
  8. 2026-09-15 15:26 UTCGHSA enrichment
  9. 2026-09-15 11:25 UTCGHSA enrichment
  10. 2026-09-15 07:27 UTCGHSA enrichment
  11. 2026-09-15 03:28 UTCEG score recompute
  12. 2026-09-15 03:28 UTCGHSA enrichment
  13. 2026-09-14 23:29 UTCEG score recompute
  14. 2026-09-14 23:29 UTCGHSA enrichment
  15. 2026-09-14 19:22 UTCGHSA enrichment
  16. 2026-09-14 18:25 UTCEG score recompute▲ 9.10
  17. 2026-09-14 18:25 UTCGHSA enrichment
  18. 2026-09-14 18:24 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  19. 2026-09-13 18:46 UTCEG score recompute
  20. 2026-09-13 18:46 UTCGHSA enrichment
  21. 2026-09-11 14:53 UTCEPSS rescore
  22. 2026-09-10 20:00 UTCGHSA enrichment
  23. 2026-09-10 18:21 UTCNVD update
  24. 2026-09-10 17:30 UTCEG score recompute
  25. 2026-09-10 17:29 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-68006?
CVE-2026-68006 is a critical vulnerability published on September 10, 2026. An issue in Puma v.5.0.0 and before v.8.0.3 allows an attacker to execute arbitrary code via the ext/pumahttp11/http11parser.rl file
When was CVE-2026-68006 disclosed?
CVE-2026-68006 was first published in the National Vulnerability Database on September 10, 2026, with the most recent update on September 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-68006 actively exploited?
CVE-2026-68006 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 68.8% of all scored CVEs.
What is the CVSS score of CVE-2026-68006?
CVE-2026-68006 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-68006?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-68006, 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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