CVE-2025-15531

Open5GS context.c sgwc_bearer_add assertion

MEDIUM
5.3
CVSS Score
Published: January 17, 2026 at 04:02 PM UTC
Updated: June 17, 2026 at 08:37 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

A vulnerability was identified in Open5GS up to 2.7.5. This vulnerability affects the function sgwc_bearer_add of the file src/sgwc/context.c. The manipulation leads to reachable assertion. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The issue report is flagged as already-fixed.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.341598
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.341598
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.729339
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4233
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4233#issue-3776216182
Product
Source: cverecord
https://github.com/open5gs/open5gs/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-617

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