Security readout for executives and security teams
Plain-English summary
CVE-2026-37579 is a high-severity remote code execution issue in SMSGate sms-core versions up to 2.1.13.6. A remote attacker may be able to trigger unsafe deserialization in a message codec component. The public record is sparse, so organizations should first confirm whether this software is deployed and exposed.
Executive priority
Treat as high priority if SMSGate sms-core is deployed, especially on internet-facing or partner-facing systems. The main business risk is remote code execution, but the limited public detail means remediation should begin with rapid exposure confirmation.
Technical view
The CVE describes CWE-502 unsafe deserialization in Cmpp7FDeliverRequestMessageCodec.java within SMSGate sms-core<=2.1.13.6. CVSS 3.1 is 7.3 with network attack vector, low complexity, no privileges, and no user interaction. Confidentiality, integrity, and availability impacts are all rated low.
Likely exposure
Exposure is most likely where SMSGate sms-core<=2.1.13.6 is deployed on systems reachable by external or untrusted network clients. The CVE affected-product metadata is incomplete, so inventory and version confirmation are essential before scoping business impact.
Exploitation context
The source bundle does not show CISA KEV listing or documented active exploitation. The CVSS vector indicates unauthenticated network reachability, which raises urgency, but the available evidence does not prove exploitation in the wild.
Researcher notes
The record identifies CWE-502 and a specific Java codec component, but affected vendor/product fields are listed as n/a. Do not assume broader SMSGate products are affected without confirmation. No patch version is named in the provided sources.
Mitigation direction
- Identify all SMSGate sms-core deployments and confirm exact versions.
- Check the SMSGate project or vendor guidance for fixed versions or advisories.
- Restrict network access to SMS gateway interfaces to trusted systems only.
- Increase monitoring for abnormal SMS gateway traffic, crashes, or unexpected child processes.
- Consider disabling exposed affected services until vendor guidance is confirmed.
Validation and detection
- Confirm whether sms-core version is 2.1.13.6 or earlier.
- Determine whether the SMS gateway is reachable from untrusted networks.
- Verify whether Cmpp7FDeliverRequestMessageCodec.java exists in the deployed code path.
- Review logs for deserialization errors, crashes, or unusual runtime behavior.
- Document compensating controls such as firewall rules and access restrictions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-37579 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/wudijun/jun.github.io/blob/main/SMSGate%20deserialization%20vulnerability.mdCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.