CVE-2026-82590 (GCVE-0-2026-82590)
Vulnerability from cvelistv5 – Published: 2026-08-30 22:30 – Updated: 2026-08-30 22:30 X_Open Source
VLAI
EPSS
VEX
Title
Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion
Summary
A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component.
Severity
CWE
- CWE-617 - Reachable Assertion
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/397085 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/397085/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-82590 | third-party-advisory |
| https://vuldb.com/submit/891893 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4455 | issue-tracking |
| https://github.com/open5gs/open5gs/commit/4554405… | patch |
| https://github.com/open5gs/open5gs/releases/tag/v2.8.0 | patch |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*"
],
"modules": [
"SMF"
],
"product": "Open5GS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "2.7.0"
},
{
"status": "affected",
"version": "2.7.1"
},
{
"status": "affected",
"version": "2.7.2"
},
{
"status": "affected",
"version": "2.7.3"
},
{
"status": "affected",
"version": "2.7.4"
},
{
"status": "affected",
"version": "2.7.5"
},
{
"status": "affected",
"version": "2.7.6"
},
{
"status": "affected",
"version": "2.7.7"
},
{
"status": "unaffected",
"version": "2.8.0"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "ZiyuLin (VulDB User)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4,
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-617",
"description": "Reachable Assertion",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-30T22:30:11.286Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-397085 | Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/397085"
},
{
"name": "VDB-397085 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/397085/cti"
},
{
"name": "CVE-2026-82590 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-82590"
},
{
"name": "Submit #891893 | Open5gs SMF v2.7.7 Denial of Service",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/891893"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/open5gs/open5gs/issues/4455"
},
{
"tags": [
"patch"
],
"url": "https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5"
},
{
"tags": [
"patch"
],
"url": "https://github.com/open5gs/open5gs/releases/tag/v2.8.0"
},
{
"tags": [
"product"
],
"url": "https://github.com/open5gs/open5gs/"
}
],
"tags": [
"x_open-source"
],
"timeline": [
{
"lang": "en",
"time": "2026-08-30T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-08-30T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-08-30T08:15:16.000Z",
"value": "VulDB entry last update"
}
],
"title": "Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion",
"x_generator": [
"VulDB PVTS v202608"
]
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-82590",
"datePublished": "2026-08-30T22:30:11.286Z",
"dateReserved": "2026-08-30T06:09:55.417Z",
"dateUpdated": "2026-08-30T22:30:11.286Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-82590\",\"sourceIdentifier\":\"cna@vuldb.com\",\"published\":\"2026-08-30T23:17:07.967\",\"lastModified\":\"2026-08-30T23:17:07.967\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component.\"}],\"affected\":[{\"source\":\"cna@vuldb.com\",\"affectedData\":[{\"vendor\":\"n/a\",\"product\":\"Open5GS\",\"cpes\":[\"cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*\"],\"modules\":[\"SMF\"],\"versions\":[{\"version\":\"2.7.0\",\"status\":\"affected\"},{\"version\":\"2.7.1\",\"status\":\"affected\"},{\"version\":\"2.7.2\",\"status\":\"affected\"},{\"version\":\"2.7.3\",\"status\":\"affected\"},{\"version\":\"2.7.4\",\"status\":\"affected\"},{\"version\":\"2.7.5\",\"status\":\"affected\"},{\"version\":\"2.7.6\",\"status\":\"affected\"},{\"version\":\"2.7.7\",\"status\":\"affected\"},{\"version\":\"2.8.0\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"vectorString\":\"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"NONE\",\"vulnIntegrityImpact\":\"NONE\",\"vulnAvailabilityImpact\":\"LOW\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"NONE\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L\",\"baseScore\":4.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4}],\"cvssMetricV2\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:N/A:P\",\"baseScore\":4.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"cna@vuldb.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-617\"}]}],\"references\":[{\"url\":\"https://github.com/open5gs/open5gs/\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/open5gs/open5gs/commit/4554405f29bffd7562abedbee63484825bd90cd5\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/open5gs/open5gs/issues/4455\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://github.com/open5gs/open5gs/releases/tag/v2.8.0\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/cve/CVE-2026-82590\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/submit/891893\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397085\",\"source\":\"cna@vuldb.com\"},{\"url\":\"https://vuldb.com/vuln/397085/cti\",\"source\":\"cna@vuldb.com\"}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Loading…
Loading…