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PatchSiren cyber security CVE debrief

CVE-2026-76756 Drupal CVE debrief

A vulnerability in the Drupal Gammu SMS Daemon affects versions *.*. The issue has a CVSS score of 5.9 and is classified as MEDIUM severity. The CVE record was published on 2026-09-02T13:18:10.883Z and was last modified on 2026-09-19T15:17:01.910Z. Defenders responsible for maintaining and securing systems that use the Gammu SMS Daemon should assess exposure to this vulnerability and prioritize verification of affected versions in their environment. The vulnerability may allow for potential timing attacks. The CVE record and NVD entry provide limited information about the vulnerability, including its CVSS score and affected versions. However, the exact versions affected and verify

Vendor
Drupal
Product
Gammu SMS Daemon
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-02
Original CVE updated
2026-09-19
Advisory published
2026-09-02
Advisory updated
2026-09-19

Who should care

Defenders responsible for maintaining and securing systems that use the Gammu SMS Daemon should assess exposure to this vulnerability and prioritize verification of affected versions in their environment.

Why it matters

Defenders should prioritize verifying the affected versions of Gammu SMS Daemon in their environment and assess exposure to potential timing attacks.

  • Verify the version of Gammu SMS Daemon in use and determine if it is affected by this vulnerability.
  • Assess exposure to potential timing attacks and implement compensating controls if necessary.

Technical summary

The Drupal Gammu SMS Daemon vulnerability affects versions *.* and has a CVSS score of 5.9. The issue is classified as MEDIUM severity and may allow for potential timing attacks. Defenders should prioritize verifying the affected versions of Gammu SMS Daemon in their environment and assess exposure to potential timing attacks. The vulnerability is related to the Gammu SMS Daemon and requires verification from official sources for exact versions affected and potential remediation steps.

Defensive priority

Defenders should prioritize verifying the affected versions of Gammu SMS Daemon in their environment and assess exposure to potential timing attacks.

Recommended defensive actions

  • Verify the version of Gammu SMS Daemon in use and determine if it is affected by this vulnerability.
  • Assess exposure to potential timing attacks and implement compensating controls if necessary.
  • Monitor for any updates or patches from the vendor and apply them as soon as possible.

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, including its CVSS score and affected versions. However, the exact versions affected and potential remediation steps require verification from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-76756 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-76756

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-76756 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-76756

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.