CVE-2026-38819

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-08-28. a secondary CVSS source baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
24(Track)
EG Risk 24/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
8%
KEV
Not listed

Published

August 28, 2026

Last Modified

September 9, 2026

Advisory Details (2)

Auto-updated Aug 28, 2026
Patch available. Sources: github_commit.
github_commit Patch Available

commit b2801d9f14af (openNDS/openNDS)

Patch available: openNDS/openNDS v11.0.0 (contains commit b2801d9f14af)

https://github.com/openNDS/openNDS/commit/b2801d9f14af44a23be7e9a1c378623bc5947c4c
github_commit Patch Available

commit f2332e68c6d3 (openNDS/openNDS)

Patch available: openNDS/openNDS v11.0.0 (contains commit f2332e68c6d3)

https://github.com/openNDS/openNDS/commit/f2332e68c6d34f8403db346e380fff3817020d5c

Vendor Advisories for CVE-2026-38819(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(3 across 3 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
opennds10.2.0+dfsg-1, 10.3.0+dfsg-0.1, 10.3.1+dfsg-1, 9.10.0-1——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
opennds10.3.1+dfsg-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
opennds10.3.1+dfsg-1——

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 20× in last 7d / 68× 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. 2026-09-20 20:15 UTCEPSS rescore
  2. 2026-09-20 12:55 UTCEG score recompute
  3. 2026-09-20 12:55 UTCGHSA enrichment
  4. 2026-09-19 10:51 UTCEG score recompute
  5. 2026-09-19 10:51 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 19:28 UTCEPSS rescore
  8. 2026-09-18 08:49 UTCEG score recompute
  9. 2026-09-18 08:49 UTCGHSA enrichment
  10. 2026-09-17 19:30 UTCEPSS rescore
  11. 2026-09-17 06:48 UTCEG score recompute
  12. 2026-09-17 06:48 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-16 04:33 UTCEG score recompute
  16. 2026-09-16 04:33 UTCGHSA enrichment
  17. 2026-09-15 03:11 UTCEPSS rescore
  18. 2026-09-15 02:21 UTCGHSA enrichment
  19. 2026-09-14 00:14 UTCEG score recompute
  20. 2026-09-14 00:14 UTCGHSA enrichment
  21. 2026-09-13 16:47 UTCEPSS rescore
  22. 2026-09-12 22:13 UTCEG score recompute
  23. 2026-09-12 22:13 UTCGHSA enrichment
  24. 2026-09-12 15:01 UTCEPSS rescore
  25. 2026-09-11 20:12 UTCEG score recompute
Show 43 more
  1. 2026-09-11 20:12 UTCGHSA enrichment
  2. 2026-09-11 14:53 UTCEPSS rescore
  3. 2026-09-11 09:37 UTCEPSS rescore
  4. 2026-09-10 18:11 UTCEG score recompute
  5. 2026-09-10 18:11 UTCGHSA enrichment
  6. 2026-09-10 09:34 UTCEPSS rescore
  7. 2026-09-09 16:09 UTCGHSA enrichment
  8. 2026-09-09 00:34 UTCEG score recompute
  9. 2026-09-09 00:34 UTCGHSA enrichment
  10. 2026-09-08 22:00 UTCEPSS rescore
  11. 2026-09-07 16:01 UTCEPSS rescore
  12. 2026-09-07 15:03 UTCEG score recompute
  13. 2026-09-07 15:03 UTCGHSA enrichment
  14. 2026-09-06 13:47 UTCEPSS rescore
  15. 2026-09-06 12:38 UTCEG score recompute
  16. 2026-09-06 12:38 UTCGHSA enrichment
  17. 2026-09-05 10:37 UTCEG score recompute
  18. 2026-09-05 10:37 UTCGHSA enrichment
  19. 2026-09-04 08:36 UTCEG score recompute
  20. 2026-09-04 08:36 UTCGHSA enrichment
  21. 2026-09-04 05:06 UTCEPSS rescore
  22. 2026-09-03 06:32 UTCEG score recompute
  23. 2026-09-03 06:32 UTCGHSA enrichment
  24. 2026-09-02 14:12 UTCEPSS rescore
  25. 2026-09-02 04:31 UTCEG score recompute
  26. 2026-09-02 04:30 UTCGHSA enrichment
  27. 2026-09-01 13:53 UTCEPSS rescore
  28. 2026-09-01 04:39 UTCEPSS rescore
  29. 2026-09-01 02:26 UTCGHSA enrichment
  30. 2026-08-31 00:24 UTCEG score recompute
  31. 2026-08-31 00:24 UTCGHSA enrichment
  32. 2026-08-30 19:17 UTCEPSS rescore
  33. 2026-08-30 01:22 UTCEPSS rescore
  34. 2026-08-29 22:23 UTCEG score recompute
  35. 2026-08-29 22:23 UTCGHSA enrichment
  36. 2026-08-28 21:41 UTCEPSS rescore
  37. 2026-08-28 20:22 UTCEG score recompute
  38. 2026-08-28 20:22 UTCGHSA enrichment
  39. 2026-08-28 19:45 UTCEG score recompute
  40. 2026-08-28 19:45 UTCGHSA enrichment
  41. 2026-08-28 02:18 UTCEG score recompute
  42. 2026-08-28 02:10 UTCEG score recompute
  43. 2026-08-28 02:07 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-38819?
CVE-2026-38819 is a medium vulnerability published on August 28, 2026. Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
When was CVE-2026-38819 disclosed?
CVE-2026-38819 was first published in the National Vulnerability Database on August 28, 2026, with the most recent update on September 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-38819 actively exploited?
CVE-2026-38819 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 92.4% of all scored CVEs.
What is the CVSS score of CVE-2026-38819?
CVE-2026-38819 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-38819?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-38819, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-38819

Explore →

Is Your Infrastructure Affected by CVE-2026-38819?

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

Start Free Scan →Browse All CVEs