CVE-2026-1587

MEDIUM EPSS 39.6%
Published Jan 29, 20265mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 4.0
Medium
Find Similar
Published Jan 29, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

Description

A vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Applying a patch is the recommended action to fix this issue. The issue report is flagged as already-fixed.

CVSS Details

Base Score
5.5
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
39.6% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-404

Affected Products 1

VendorProductVersionRange
open5gsopen5gs* ≤2.7.6

References 7

  • github.com https://github.com/open5gs/open5gs/
  • github.com https://github.com/open5gs/open5gs/issues/4272
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/open5gs/open5gs/issues/4272#event-21968635948
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/open5gs/open5gs/issues/4272#issue-3795156752
    ExploitIssue TrackingVendor Advisory
  • vuldb.com https://vuldb.com/?ctiid.343350
    Permissions RequiredVDB Entry
  • vuldb.com https://vuldb.com/?id.343350
    Third Party AdvisoryVDB Entry
  • vuldb.com https://vuldb.com/?submit.738376
    ExploitThird Party AdvisoryVDB Entry

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.