Sync Gateway vulnerabilitiesRanked by how likely they are to be used.

Product26 versions
The short answer

Sync Gateway is made by Couchbase. We track 5 published vulnerabilities in it, across 26 versions. None of them is on the list of flaws known to be exploited today. If you run Sync Gateway, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which Sync Gateway vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Sync Gateway's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Sync Gateway flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 2.7%

    In Couchbase Sync Gateway 2.1.2, an attacker with access to the Sync Gateway’s public REST API was able to issue additional N1QL statements and extract sensitive data or call arbitrary N1QL functions through the...

    CVSS9.8Published26 Jun 2019
  2. 1.3%

    In Couchbase Server 6.0.3 and Couchbase Sync Gateway through 2.7.0, the Cluster management, views, query, and full-text search endpoints are vulnerable to the Slowloris denial-of-service attack because they don't...

    CVSS7.5Published8 Jun 2020
  3. 0.8%

    An issue was discovered in Couchbase Sync Gateway 3.x before 3.0.2.

    CVSS9.8Published10 Jun 2022
  4. 0.5%

    An issue was discovered in Couchbase Sync Gateway 2.7.0 through 2.8.2.

    CVSS8.1Published7 Dec 2021
  5. 0.2%

    An issue was discovered in Couchbase Sync Gateway before 3.2.6.

    CVSS7.3Published29 Jul 2025
Precursor Intelligence

Running Sync Gateway? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 5 published vulnerabilities listed under the name Sync Gateway, across 26 versions.

None of Sync Gateway's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Sync Gateway. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.