CVE-2026-34761: Ella Core Panics Upon NGAP handover failure
Vulnerability summary
CVE-2026-34761 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in ellanetworks core. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 26.1% of scored vulnerabilities.
Not severe (CVSS 5.8, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 02-04-2026PublishedVulnerability first disclosed.
- 03-04-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:HDiffers
- OSV · GoEcosystem advisory · calculated5.8MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.33%
Chance of exploitation in the next 30 days
Percentile
26%
Versus all other CVEs
30-day change
Decrease -0.09 pp
From 0.42% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Github.com/ellanetworks1 product
- core< 1.8.0
2 vendors · 3 products
References
4 links- github.com/ellanetworks/core/security/advisories/GHSA-6gm8-3g4h-w82mX Refsource CONFIRMWEBAdvisoryVendor Advisory
- github.com/ellanetworks/corePACKAGE