CVE-2026-10117

MEDIUMNVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-05-30. NVD baseline CVSS 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in Open5GS up to 2.7.7. This issue affects the function ogs_pool_id_calloc in the library /lib/sbi/nghttp2-server.c. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. It is best practice to apply a patch to resolve this issue.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
19%
KEV
Not listed

Published

May 30, 2026

Last Modified

July 22, 2026

Advisory Details (2)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

[Bug]: Shared SBI HTTP/2 server pool exhaustion in `on_begin_headers()` impacts all tested Open5GS SBI NFs · Issue #4474 · open5gs/open5gs · GitHub

https://github.com/open5gs/open5gs/issues/4474
generic

GitHub - open5gs/open5gs: Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-17) · GitHub

https://github.com/open5gs/open5gs/

Vendor Advisories for CVE-2026-10117(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 6× in last 7d / 52× 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.

Showing the most recent 100 of 183 total refreshes for this CVE.

  1. 2026-09-04 05:06 UTCEPSS rescore
  2. 2026-09-02 14:11 UTCEPSS rescore
  3. 2026-09-01 13:53 UTCEPSS rescore
  4. 2026-09-01 04:39 UTCEPSS rescore
  5. 2026-08-30 19:17 UTCEPSS rescore
  6. 2026-08-30 01:21 UTCEPSS rescore
  7. 2026-08-28 21:40 UTCEPSS rescore
  8. 2026-08-27 14:24 UTCEPSS rescore
  9. 2026-08-25 13:48 UTCEPSS rescore
  10. 2026-08-25 04:08 UTCEG score recompute
  11. 2026-08-25 04:08 UTCGHSA enrichment
  12. 2026-08-23 14:03 UTCEG score recompute
  13. 2026-08-23 14:03 UTCGHSA enrichment
  14. 2026-08-23 00:19 UTCEPSS rescore
  15. 2026-08-21 23:48 UTCEPSS rescore
  16. 2026-08-21 14:58 UTCEG score recompute
  17. 2026-08-21 14:58 UTCGHSA enrichment
  18. 2026-08-20 22:55 UTCEPSS rescore
  19. 2026-08-20 10:23 UTCEG score recompute
  20. 2026-08-20 10:23 UTCGHSA enrichment
  21. 2026-08-19 17:03 UTCEPSS rescore
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-17 06:49 UTCEG score recompute
  24. 2026-08-17 06:49 UTCGHSA enrichment
  25. 2026-08-16 14:56 UTCEPSS rescore
Show 75 more
  1. 2026-08-16 02:14 UTCEPSS rescore
  2. 2026-08-15 16:48 UTCEG score recompute
  3. 2026-08-15 16:48 UTCGHSA enrichment
  4. 2026-08-15 01:30 UTCEPSS rescore
  5. 2026-08-14 12:27 UTCEG score recompute
  6. 2026-08-14 12:27 UTCGHSA enrichment
  7. 2026-08-13 22:00 UTCEPSS rescore
  8. 2026-08-13 10:57 UTCEG score recompute
  9. 2026-08-13 10:57 UTCGHSA enrichment
  10. 2026-08-12 13:50 UTCEPSS rescore
  11. 2026-08-12 09:27 UTCEG score recompute
  12. 2026-08-12 09:27 UTCGHSA enrichment
  13. 2026-08-11 13:42 UTCEPSS rescore
  14. 2026-08-11 07:58 UTCEG score recompute
  15. 2026-08-11 07:57 UTCGHSA enrichment
  16. 2026-08-10 23:59 UTCEPSS rescore
  17. 2026-08-10 06:27 UTCEG score recompute
  18. 2026-08-10 06:27 UTCGHSA enrichment
  19. 2026-08-09 13:46 UTCEPSS rescore
  20. 2026-08-09 04:58 UTCEG score recompute
  21. 2026-08-09 04:58 UTCGHSA enrichment
  22. 2026-08-08 16:37 UTCEPSS rescore
  23. 2026-08-08 03:28 UTCEG score recompute
  24. 2026-08-08 03:28 UTCGHSA enrichment
  25. 2026-08-07 01:58 UTCEG score recompute
  26. 2026-08-07 01:58 UTCGHSA enrichment
  27. 2026-08-06 13:46 UTCEPSS rescore
  28. 2026-08-06 00:27 UTCEG score recompute
  29. 2026-08-06 00:27 UTCGHSA enrichment
  30. 2026-08-05 19:17 UTCEPSS rescore
  31. 2026-08-04 22:57 UTCEG score recompute
  32. 2026-08-04 22:57 UTCGHSA enrichment
  33. 2026-08-04 15:09 UTCEPSS rescore
  34. 2026-08-04 10:38 UTCEPSS rescore
  35. 2026-08-03 16:52 UTCEG score recompute
  36. 2026-08-03 16:52 UTCGHSA enrichment
  37. 2026-08-03 10:35 UTCEPSS rescore
  38. 2026-08-02 15:22 UTCEG score recompute
  39. 2026-08-02 15:22 UTCGHSA enrichment
  40. 2026-08-02 02:26 UTCEPSS rescore
  41. 2026-08-01 13:52 UTCEG score recompute
  42. 2026-08-01 13:52 UTCGHSA enrichment
  43. 2026-08-01 04:15 UTCEPSS rescore
  44. 2026-07-31 05:50 UTCEG score recompute
  45. 2026-07-31 05:50 UTCGHSA enrichment
  46. 2026-07-30 16:27 UTCEPSS rescore
  47. 2026-07-30 01:30 UTCEPSS rescore
  48. 2026-07-29 11:30 UTCEG score recompute
  49. 2026-07-29 11:30 UTCGHSA enrichment
  50. 2026-07-28 15:36 UTCEPSS rescore
  51. 2026-07-27 14:13 UTCEPSS rescore
  52. 2026-07-27 03:07 UTCEG score recompute
  53. 2026-07-27 03:06 UTCGHSA enrichment
  54. 2026-07-26 14:54 UTCEPSS rescore
  55. 2026-07-26 14:54 UTCEPSS rescore
  56. 2026-07-25 14:17 UTCEPSS rescore
  57. 2026-07-24 14:17 UTCEPSS rescore
  58. 2026-07-23 14:18 UTCEPSS rescore
  59. 2026-07-23 03:04 UTCEG score recompute
  60. 2026-07-22 14:08 UTCEPSS rescore
  61. 2026-07-22 07:21 UTCNVD updateCVSS v4 → 2.1
  62. 2026-07-20 17:08 UTCEPSS rescore
  63. 2026-07-19 14:30 UTCEPSS rescore
  64. 2026-07-19 02:28 UTCEPSS rescore
  65. 2026-07-18 10:04 UTCEPSS rescore
  66. 2026-07-16 17:02 UTCEPSS rescore
  67. 2026-07-16 01:45 UTCGHSA enrichment
  68. 2026-07-15 16:57 UTCEPSS rescore
  69. 2026-07-15 02:00 UTCEPSS rescore
  70. 2026-07-14 13:42 UTCGHSA enrichment
  71. 2026-07-13 22:30 UTCEPSS rescore
  72. 2026-07-13 06:12 UTCEPSS rescore
  73. 2026-07-12 05:46 UTCEPSS rescore
  74. 2026-07-11 16:40 UTCGHSA enrichment
  75. 2026-07-11 08:27 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-10117?
CVE-2026-10117 is a medium vulnerability published on May 30, 2026. A weakness has been identified in Open5GS up to 2.7.7. This issue affects the function ogspoolid_calloc in the library /lib/sbi/nghttp2-server.c. Executing a manipulation can lead to denial of service. The attack may be launched remotely. The exploit has been made available to the public and could…
When was CVE-2026-10117 disclosed?
CVE-2026-10117 was first published in the National Vulnerability Database on May 30, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10117 actively exploited?
CVE-2026-10117 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 81.0% of all scored CVEs.
What is the CVSS score of CVE-2026-10117?
CVE-2026-10117 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-10117?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10117, 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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