CVE-2026-2517
Last modified
CVE-2026-2517 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogs_gtp2_parse_tft in the library lib/gtp/v2/types.c of the component SMF. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
A security flaw has been discovered in Open5GS up to 2.7.6. This vulnerability affects the function ogs_gtp2_parse_tft in the library lib/gtp/v2/types.c of the component SMF. Performing a manipulation of the argument pf[0].content.length results in denial of service. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Open5gs | Open5gs | <= 2.7.6 |
References
- https://github.com/open5gs/open5gs/issues/4281Exploit, Issue Tracking, Vendor Advisory
- https://github.com/open5gs/open5gs/issues/4281#issue-3807802287Exploit, Issue Tracking, Vendor Advisory
- https://vuldb.com/?ctiid.346108Permissions Required, VDB Entry
- https://vuldb.com/?id.346108Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.738332Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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