CVE-2026-1737

Feb. 3, 2026, 4:44 p.m.

5.5
Medium

Description

A vulnerability was detected in Open5GS up to 2.7.6. The affected element is the function sgwc_s5c_handle_create_bearer_request of the file /src/sgwc/s5c-handler.c of the component CreateBearerRequest Handler. Performing a manipulation results in reachable assertion. Remote exploitation of the attack is possible. The exploit is now public and may be used. To fix this issue, it is recommended to deploy a patch. The issue report is flagged as already-fixed.

Product(s) Impacted

Vendor Product Versions
Open5gs
  • Open5gs
  • <2.7.7

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-617
Reachable Assertion
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a open5gs open5gs <2.7.7 / / / / / / /

References

https://github.com/open5gs/open5gs/
https://github.com/open5gs/open5gs/issues/4271
https://github.com/open5gs/open5gs/issues/4271#event-21968630023
https://github.com/open5gs/open5gs/issues/4271#issue-3795147720
https://vuldb.com/?ctiid.343636
https://vuldb.com/?id.343636
https://vuldb.com/?submit.741192

Tags

[email protected]
CWE-617
2026-02-02
CVE-2026-1737

CVSS Score

5.5 / 10

CVSS Data - 4.0

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Attack Requirements: NONE
  • Privileges Required: NONE
  • User Interaction: NONE
  • Scope:
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: LOW
  • Exploit Maturity: PROOF_OF_CONCEPT

    • 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

    View Vector String

Timeline

Published: Feb. 2, 2026, 2:16 a.m.
Last Modified: Feb. 3, 2026, 4:44 p.m.

Status : Undergoing Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.