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High severity7.5NVD Advisory· Published Jun 14, 2018· Updated Jun 17, 2026

CVE-2018-12423

CVE-2018-12423

Description

In Synapse before 0.31.2, unauthorised users can hijack rooms when there is no m.room.power_levels event in force.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
matrix-synapsePyPI	< 0.31.2	0.31.2

Affected products

1

ghsa-coords
pkg:pypi/matrix-synapse
Range: < 0.31.2

Patches

Vulnerability mechanics

References

6

bugs.debian.org/901549nvdMailing ListThird Party AdvisoryWEB
github.com/advisories/GHSA-ch5v-fhg8-7gv9ghsaADVISORY
github.com/matrix-org/matrix-doc/issues/1304nvdThird Party AdvisoryWEB
matrix.org/blog/2018/06/14/security-update-synapse-0-31-2/nvdVendor Advisory
nvd.nist.gov/vuln/detail/CVE-2018-12423ghsaADVISORY
matrix.org/blog/2018/06/14/security-update-synapse-0-31-2ghsaWEB

News mentions

0

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