HOMEVULNERABILITIESCVE-2026-8744
MEDIUM

CVE-2026-8744

CWE-404Published: May 17, 2026· Updated: May 18, 2026

6.5
CVSS v3.1
EPSS:0.07%probability of exploitation in 30 daysPercentile:20.2th

Official Description

A vulnerability was determined in Open5GS up to 2.7.7. Affected is the function ogs_sbi_subscription_data_add/ogs_sbi_nf_service_add in the library /lib/sbi/context.c of the component NRF. Executing a manipulation can lead to denial of service. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. This patch is called 819db11a08b9736a3576c4f99ceb28f7eb99523a. A patch should be applied to remediate this issue.

NVD Source

Technical Analysis

CVE-2026-8744 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

open5gs1 product
open5gs
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523a
PATCHhttps://github.com/open5gs/open5gs/pull/4534
ADVISORYhttps://vuldb.com/submit/817029
ADVISORYhttps://vuldb.com/submit/817030
ADVISORYhttps://vuldb.com/vuln/364331

All References (9)

→
https://github.com/open5gs/open5gs/Product
→
https://github.com/open5gs/open5gs/commit/819db11a08b9736a3576c4f99ceb28f7eb99523aPatch
→
https://github.com/open5gs/open5gs/issues/4465Exploit · Issue Tracking
→
https://github.com/open5gs/open5gs/issues/4466Exploit · Issue Tracking
→
https://github.com/open5gs/open5gs/pull/4534Issue Tracking · Patch
→
https://vuldb.com/submit/817029Third Party Advisory · VDB Entry
→
https://vuldb.com/submit/817030Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/364331Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/364331/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-8744
CVSS Score6.5 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
EPSS (30d)0.07%
Affected1 vendor
PublishedMay 17, 2026

Related CVEs (CWE-404)

CVE-2026-11317
8.7
CVE-2026-1876
8.7
CVE-2026-1875
8.7
CVE-2026-45174
8.5
CVE-2026-2957
8.1
CVE-2026-7734
7.5

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-8744 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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