CVE-2018-3826 Information disclosure in Elasticsearch
Attackers with API access can view plaintext snapshot credentials, exposing sensitive keys in Elasticsearch.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-3826?
CVE-2018-3826 is a medium-severity vulnerability in Elastic Elasticsearch, published on 19 Sep 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Elasticsearch versions 6.0.0-beta1 to 6.2.4 a disclosure flaw was found in the _snapshot API. When the access_key and security_key parameters are set using the _snapshot API they can be exposed as plain text by users able to query the _snapshot API.
Which versions are affected by CVE-2018-3826?
It affects 1 product.
Products include Elastic Elasticsearch.
How do I fix CVE-2018-3826?
No fix has been published for CVE-2018-3826 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-3826 being exploited?
There is no known exploitation of CVE-2018-3826 in the wild and no public exploit code.
Other vulnerabilities in Elastic Elasticsearch
- CVE-2015-1427 Elasticsearch Groovy Scripting Engine Remote Code Execution
- CVE-2014-3120 Elasticsearch Remote Code Execution
- CVE-2015-5377 Code injection in n/a
- CVE-2026-72649 Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution
- CVE-2026-72642 Use of Out-of-range Pointer Offset in the Elasticsearch Machine Learning Native Inference Process
Sources
Also known as GHSA-qq5c-fj9j-h9xv.