CVE Explorer

CVE-2026-49252

deepstream is a server that allows clients and backend services to sync data, send messages and make rpcs at scale. Versions prior to 10.0.5 are vulnerable to Prototype Pollution. Exploitation can lead to potential privilege escalation from any authenticated user with write permission to any record. This issue has been fixed in version 10.0.5.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5ebf7960088319ae6e94c9a59e9d5e9cfa584e967ad9023270a42d7116c4e611

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"deepstream.io","vendor":"deepstreamIO","versions":[{"status":"affected","version":"< 10.0.5"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:50bba3350227b35dd4f41c0fa94da39273dea37c10da6902fdd623e2941d5b25 · sha256:e30520a72e807725… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:50bba3350227b35dd4f41c0fa94da39273dea37c10da6902fdd623e2941d5b25 · sha256:e30520a72e807725… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:50bba3350227b35dd4f41c0fa94da39273dea37c10da6902fdd623e2941d5b25 · sha256:e30520a72e807725… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/deepstreamIO/deepstream.io/commit/54b8e2958a98df444b5b5d9a66e22872afd84e44","tags":["x_refsource_MISC"],"url":"https://github.com/deepstreamIO/deepstream.io/commit/54b8e2958a98df444b5b5d9a66e22872afd84e44"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:50bba3350227b35dd4f41c0fa94da39273dea37c10da6902fdd623e2941d5b25 · sha256:e30520a72e807725… · /containers/cna/references/1

{"name":"https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-9v98-6g37-x9g6","tags":["x_refsource_CONFIRM"],"url":"https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-9v98-6g37-x9g6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:50bba3350227b35dd4f41c0fa94da39273dea37c10da6902fdd623e2941d5b25 · sha256:e30520a72e807725… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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