HOMEVULNERABILITIESCVE-2026-8119
MEDIUM

CVE-2026-8119

CWE-404Published: May 8, 2026· Updated: May 11, 2026

5.5
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.1th

Official Description

A vulnerability was detected in Open5GS up to 2.7.7. Impacted is the function ogs_sbi_stream_find_by_id in the library /lib/sbi/nghttp2-server.c of the component NSSF. Performing a manipulation results in denial of service. Attacking locally is a requirement. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

NVD Source

Technical Analysis

CVE-2026-8119 requires local access, meaning attackers must already have a foothold on the target system.

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 5.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/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

ADVISORYhttps://vuldb.com/submit/808420
ADVISORYhttps://vuldb.com/vuln/361906

All References (5)

→
https://github.com/open5gs/open5gs/Product
→
https://github.com/open5gs/open5gs/issues/4431Exploit · Issue Tracking
→
https://vuldb.com/submit/808420Third Party Advisory · VDB Entry · Exploit
→
https://vuldb.com/vuln/361906Third Party Advisory · VDB Entry
→
https://vuldb.com/vuln/361906/ctiPermissions Required · VDB Entry

Quick Facts

CVE IDCVE-2026-8119
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-404
CISA KEVNo
EPSS (30d)0.01%
Affected1 vendor
PublishedMay 8, 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-2026-8119 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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