Vulnerability in github.com/ellanetworks/core (CVE-2026-34761)
Summary
Vulnerability in github.com/ellanetworks/core (CVE-2026-34761). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.8.0 or later.
Original description
The description as published by the source.
Ella Core is a 5G core designed for private networks. Prior to version 1.8.0, Ella Core panics when processing a NGAP handover failure message. An attacker able to cause a gNodeB to send NGAP handover failure messages to Ella Core can crash the process, causing service disruption for all connected subscribers. This issue has been patched in version 1.8.0.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-34761 has been found in github.com/ellanetworks/core.
Risk of unauthorized operations or information disclosure. CVSS score: 5.8/10.
What to do: upgrade github.com/ellanetworks/core to 1.8.0 or later.
If unsure, ask your IT team or search "github.com/ellanetworks/core CVE-2026-34761" on the vendor's site.
CVE-2026-34761 (github.com/ellanetworks/core) — CWE-476 / CVSS v3 5.8
Attack vector: remote (network-reachable) / no user interaction
Patched: 1.8.0 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-476) exists in github.com/ellanetworks/core.
Check the vendor advisory for the affected versions of github.com/ellanetworks/core.
Severity: Medium (CVSS 5.8/10). Risk of unauthorized operations or information disclosure.
Update to 1.8.0.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'github.com/ellanetworks/core' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'github.com/ellanetworks/core' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
github.com/ellanetworks/coreを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade github.com/ellanetworks/core to 1.8.0ステージング環境で 1.8.0 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- web github.com