CVE-2026-78132

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-11. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 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.

strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.

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
25%
KEV
Not listed

Published

September 11, 2026

Last Modified

September 14, 2026

Advisory Details (2)

Auto-updated Sep 11, 2026
Patch available. Sources: github_release.
github_release Patch Available

strongSwan 6.1.0

Patch available: strongswan/strongswan 6.1.0

https://github.com/strongswan/strongswan/releases/tag/6.1.0
generic

strongSwan - strongSwan Vulnerability (CVE-2026-78132)

https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html

Vendor Advisories for CVE-2026-78132(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.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 46× in last 7d / 59× 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 18:03 UTCEG score recompute
  2. 2026-09-19 18:03 UTCVendor advisory
  3. 2026-09-19 18:03 UTCGHSA enrichment
  4. 2026-09-19 06:27 UTCEG score recompute
  5. 2026-09-19 06:27 UTCVendor advisory
  6. 2026-09-19 06:27 UTCGHSA enrichment
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 18:53 UTCVendor advisory
  9. 2026-09-18 18:53 UTCGHSA enrichment
  10. 2026-09-18 07:19 UTCVendor advisory
  11. 2026-09-18 07:19 UTCGHSA enrichment
  12. 2026-09-17 19:45 UTCEG score recompute
  13. 2026-09-17 19:45 UTCVendor advisory
  14. 2026-09-17 19:45 UTCGHSA enrichment
  15. 2026-09-17 06:06 UTCVendor advisory
  16. 2026-09-17 06:06 UTCGHSA enrichment
  17. 2026-09-16 18:31 UTCEG score recompute
  18. 2026-09-16 18:31 UTCVendor advisory
  19. 2026-09-16 18:31 UTCGHSA enrichment
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 06:56 UTCEG score recompute
  22. 2026-09-16 06:56 UTCVendor advisory
  23. 2026-09-16 06:56 UTCGHSA enrichment
  24. 2026-09-16 05:15 UTCEPSS rescore
  25. 2026-09-15 19:22 UTCVendor advisory
Show 34 more
  1. 2026-09-15 19:22 UTCGHSA enrichment
  2. 2026-09-15 07:48 UTCEG score recompute
  3. 2026-09-15 07:48 UTCVendor advisory
  4. 2026-09-15 07:48 UTCGHSA enrichment
  5. 2026-09-15 03:12 UTCEPSS rescore
  6. 2026-09-15 03:12 UTCEPSS rescore
  7. 2026-09-14 20:14 UTCVendor advisory
  8. 2026-09-14 20:14 UTCGHSA enrichment
  9. 2026-09-14 19:22 UTCEG score recompute
  10. 2026-09-14 19:22 UTCVendor advisory
  11. 2026-09-14 19:22 UTCGHSA enrichment
  12. 2026-09-14 18:28 UTCEG score recompute
  13. 2026-09-14 18:28 UTCVendor advisory
  14. 2026-09-14 18:28 UTCGHSA enrichment
  15. 2026-09-14 12:37 UTCVendor advisory
  16. 2026-09-14 12:37 UTCGHSA enrichment
  17. 2026-09-14 00:59 UTCEG score recompute
  18. 2026-09-14 00:59 UTCVendor advisory
  19. 2026-09-14 00:59 UTCGHSA enrichment
  20. 2026-09-13 13:24 UTCVendor advisory
  21. 2026-09-13 13:24 UTCGHSA enrichment
  22. 2026-09-13 01:50 UTCEG score recompute
  23. 2026-09-13 01:50 UTCGHSA enrichment
  24. 2026-09-12 14:15 UTCGHSA enrichment
  25. 2026-09-12 02:41 UTCGHSA enrichment
  26. 2026-09-11 15:07 UTCEG score recompute
  27. 2026-09-11 15:07 UTCGHSA enrichment
  28. 2026-09-11 14:53 UTCEPSS rescore
  29. 2026-09-11 14:53 UTCEPSS rescore
  30. 2026-09-11 13:54 UTCEG score recompute
  31. 2026-09-11 13:54 UTCGHSA enrichment
  32. 2026-09-11 02:20 UTCEG score recompute
  33. 2026-09-11 02:00 UTCEG score recompute
  34. 2026-09-11 01:59 UTCMITRE cvelistV5first tracked

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-78132?
CVE-2026-78132 is a high vulnerability published on September 11, 2026. strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
When was CVE-2026-78132 disclosed?
CVE-2026-78132 was first published in the National Vulnerability Database on September 11, 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-2026-78132 actively exploited?
CVE-2026-78132 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 75.4% of all scored CVEs.
What is the CVSS score of CVE-2026-78132?
CVE-2026-78132 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-78132?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78132, 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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