CVE-2026-2523

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

Score 5.3 from GitHub Security Advisory published 2026-02-16. NVD baseline CVSS 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.3Exploit: NoneExposed: 0

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

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smf_gn_handle_create_pdp_context_request of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
5.3
EG Score
5.3(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
41.0%
KEV
Not listed

Published

February 16, 2026

Last Modified

February 18, 2026

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 15× in last 7d / 48× 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. 2026-07-23 14:18 UTCEPSS rescore
  2. 2026-07-23 14:18 UTCEPSS rescore
  3. 2026-07-23 03:07 UTCEG score recompute
  4. 2026-07-22 14:08 UTCEPSS rescore
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  15. 2026-07-17 14:29 UTCOSV refresh
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  1. 2026-07-11 08:27 UTCEPSS rescore
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  5. 2026-07-06 16:27 UTCEPSS rescore
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  15. 2026-06-29 12:32 UTCOSV refresh
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  18. 2026-06-28 04:56 UTCEPSS rescore
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  43. 2026-06-12 03:27 UTCGHSA enrichment
  44. 2026-06-11 14:00 UTCEPSS rescore
  45. 2026-06-10 22:18 UTCEPSS rescore
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  47. 2026-06-10 20:36 UTCGHSA enrichment
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  49. 2026-06-09 19:35 UTCGHSA enrichment
  50. 2026-06-08 14:17 UTCEPSS rescore
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  52. 2026-06-07 17:49 UTCGHSA enrichment
  53. 2026-06-07 15:25 UTCEPSS rescore
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  70. 2026-05-31 00:16 UTCEPSS rescore
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  72. 2026-05-29 13:50 UTCEG score recompute
  73. 2026-05-29 13:50 UTCGHSA enrichment
  74. 2026-05-29 13:44 UTCEPSS rescore
  75. 2026-05-29 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-2523?
CVE-2026-2523 is a medium vulnerability published on February 16, 2026. A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function smfgnhandlecreatepdpcontextrequest of the file /src/smf/gn-handler.c of the component SMF. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit is now…
When was CVE-2026-2523 disclosed?
CVE-2026-2523 was first published in the National Vulnerability Database on February 16, 2026, with the most recent update on February 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-2523 actively exploited?
CVE-2026-2523 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-2523?
CVE-2026-2523 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2026-2523?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-2523, 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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