CVE-2026-10157

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-05-31. the CNA's CVSS baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vuldb, epss, ghsa
Trending — 3 sources updated this weekElevated
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.3Exploit: NoneExposed: 0

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

A vulnerability was identified in Open5GS up to 2.7.6. This impacts an unknown function of the file src/amf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is a188e36b1741ffc2252133f59b1bda4f14d3cb5c. It is suggested to install a patch to address this issue.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
34.0%
KEV
Not listed

Published

May 31, 2026

Last Modified

June 2, 2026

Advisory Details (4)

Auto-updated May 31, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
github_pr

ngap, s1ap: preserve UE security capabilities on path switch

Fix merged in open5gs/open5gs PR #4557 on 2026-05-11 — awaiting tagged release

https://github.com/open5gs/open5gs/pull/4557
generic

[Bug]: UE Security Capability bypass on NGAP PathSwitchRequest · Issue #4393 · open5gs/open5gs · GitHub

https://github.com/open5gs/open5gs/issues/4393
github_commit

commit a188e36b1741 (open5gs/open5gs)

Fix landed in open5gs/open5gs commit a188e36b1741 — awaiting tagged release

https://github.com/open5gs/open5gs/commit/a188e36b1741ffc2252133f59b1bda4f14d3cb5c
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-2026-10157(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 13× in last 7d / 82× 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 169 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-10157?
CVE-2026-10157 is a high vulnerability published on May 31, 2026. A vulnerability was identified in Open5GS up to 2.7.6. This impacts an unknown function of the file src/amf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit is…
When was CVE-2026-10157 disclosed?
CVE-2026-10157 was first published in the National Vulnerability Database on May 31, 2026, with the most recent update on June 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10157 actively exploited?
CVE-2026-10157 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 34.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-10157?
CVE-2026-10157 has a CVSS v4.0 base score of 7.3 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-10157?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10157, 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.

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