CVE-2026-93307O-RAN-SC SMO OAM VES Collector memory allocation
- 5.3MediumCVSS base score
- 0.53%Exploitation in 30 daysEPSS · top 54% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
A vulnerability has been found in O-RAN-SC SMO OAM 2025-06-10. Affected is an unknown function of the component VES Collector. Such manipulation of the argument additionalFields.padding leads to uncontrolled memory allocation. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through a bug report but has not responded yet.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. 4 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits4
References tagged exploit4 references
- Submit #942297 | O-RAN-SC SMO/OAM L-Release CWE-789 Memory Allocation with Excessive Size Value (opens in a new tab)third-party-advisoryexploit
- Submit #942306 | O-RAN-SC SMO/OAM L-Release CWE-789 Memory Allocation with Excessive Size Value (Duplicate) (opens in a new tab)third-party-advisoryexploit
- https://lf-o-ran-sc.atlassian.net/browse/SMO-201 (opens in a new tab)relatedexploit
- https://gist.github.com/fklement/1c1ff92588944a021ceb2b5e894973c5 (opens in a new tab)exploit
Timeline
ID reserved
By VulDB
Published
- 6 days later
· 6 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 3.0 | Medium4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR |
| NVDNVD · Deferred | 4.0 | Low2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 |
- EPSS (exploitation in 30 days)
- 0.53% · top 54% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
References
References7
- VDB-406593 | O-RAN-SC SMO OAM VES Collector memory allocation (opens in a new tab)vdb-entrytechnical-description
- VDB-406593 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-93307 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #942297 | O-RAN-SC SMO/OAM L-Release CWE-789 Memory Allocation with Excessive Size Value (opens in a new tab)third-party-advisoryexploit
- Submit #942306 | O-RAN-SC SMO/OAM L-Release CWE-789 Memory Allocation with Excessive Size Value (Duplicate) (opens in a new tab)third-party-advisoryexploit
- https://lf-o-ran-sc.atlassian.net/browse/SMO-201 (opens in a new tab)relatedexploit
- https://gist.github.com/fklement/1c1ff92588944a021ceb2b5e894973c5 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-82568 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-93307)Record last updated .