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CVE-2026-71276: Magistrala (formerly Mainflux)'s message-readers API reads a `format` value from the HTTP query string (readers/api/http/transport.go) with no validation and interpolates it direct

highCVSS 7.1CVE-2026-71276
Magistrala (formerly Mainflux)'s message-readers API reads a format value from the HTTP query string (readers/api/http/transport.go) with no validation and interpolates it directly into raw SQL queries via fmt.Sprintf() in both the PostgreSQL reader (readers/postgres/messages.go: fmt.Sprintf("SELECT * FROM %s WHERE %s ...", format, cond)) and the TimescaleDB reader (readers/timescale/messages.go, same pattern), enabling SQL injection by any authenticated user able to query channel messages.

Details

Source
NVD Recent CVEs (US · database · site)
Severity
high — CVSS 7.1
Published
2026-08-05
Last updated
2026-08-05
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-71276

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-71276coverage & exploitation statusNVD · CVE.org

Recent advisories for Magistrala

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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