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VulnerabilityPublished

CVE-2026-113602: Elasticsearch · json-smart through 2

Affects elasticsearchSource GCVE Database

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Authoritative record:CVE-2026-113602· Medium 6.9

Not known to be exploited · CVSS 6.9 Medium : upgrade to 9.2.8-r13 when convenient.

Data as of 14 Nov 2026, 02:05 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 9.2.8-r13
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 20 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CISA SSVC: proof of concept public

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by VulnCheck

    , 4 hours before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. CISA SSVC assessment

    proof of concept public

    , 50 minutes after disclosure

  4. In Threat Radar

    record ingested

    , 6 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA SSVC, the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade elasticsearch to 9.2.8-r13.

Affected software

ProductAffectedFixed in
CleanStartelasticsearchpkg:apk/cleanstart/elasticsearch?arch=x86_64Other threatsAffected
  • <9.2.8-r13
Fixed in
  • 9.2.8-r13
CleanStartelasticsearchpkg:apk/cleanstart/elasticsearch?arch=aarch64Other threatsAffected
  • <9.2.8-r13
Fixed in
  • 9.2.8-r13

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A patch is available in elasticsearch version 9.2.8-r13. Users should upgrade to this version or later to remediate the vulnerability. Since this is not a cloud service, manual patching is required. No additional mitigation steps are indicated by the vendor advisory.

Description

CVE-2026-113602 is a medium severity security vulnerability affecting the elasticsearch package due to an issue in the json-smart library through version 2. The vulnerability does not impact confidentiality or availability but allows integrity loss. It affects elasticsearch versions prior to 9.2.8-r13. A patch is available in version 9.2.8-r13 to address this issue.

References

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