CVE-2026-1587
MEDIUMopen5gs < 2.7.6 - Denial of Service in SGWC S11 Handler
Title source: llmDescription
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.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.343350
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.343350
Third Party Advisory, VDB Entry, Exploit third-party-advisory
https://vuldb.com/?submit.738376
Exploit, Issue Tracking, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/issues/4272
Issue Tracking, Exploit, Vendor Advisory issue-tracking
https://github.com/open5gs/open5gs/issues/4272#event-21968635948
Exploit, Issue Tracking, Vendor Advisory exploit
issue-tracking
https://github.com/open5gs/open5gs/issues/4272#issue-3795156752
Various Sources product
https://github.com/open5gs/open5gs/
Scores
CVSS v3
5.3
EPSS
0.0051
EPSS Percentile
39.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-404
Status
published
Products (1)
open5gs/open5gs
< 2.7.6
Published
Jan 29, 2026
Tracked Since
Feb 18, 2026