Security readout for executives and security teams
Plain-English summary
RethinkDB has a critical buffer overflow in its cJSON handling code. The public record says versions through 2.4.4 are affected. Because the CVSS score is 10.0 and the vector indicates network attack without authentication or user interaction, organizations running RethinkDB should treat this as urgent.
Executive priority
High priority. If RethinkDB is in use, assign immediate ownership to inventory, exposure reduction, and patch planning. The business risk is highest for internet-accessible or broadly reachable database deployments.
Technical view
CVE-2026-24810 is a CWE-120 classic buffer overflow in RethinkDB src/cjson modules, associated with cJSON.Cc. The CVE record lists RethinkDB through v2.4.4 as affected and assigns CVSS 4.0 score 10.0 with network, low-complexity, no-privilege, no-user-interaction characteristics.
Likely exposure
Exposure is most relevant for organizations running RethinkDB versions through 2.4.4, especially where database services or JSON-processing paths are reachable over a network. The source bundle does not confirm affected deployment configurations beyond the product and version range.
Exploitation context
The CVE is not listed as KEV in the provided data, and no cited source states active exploitation. Risk remains high because the CVSS vector indicates unauthenticated network reachability and high confidentiality, integrity, and availability impact.
Researcher notes
Public details are limited. The CVE record names cJSON.Cc and src/cjson modules but does not describe a trigger condition. The affected data includes “through v2.4.4,” while the structured affected version entry appears incomplete, so verify against upstream commits and releases.
Mitigation direction
- Identify all RethinkDB instances and their versions.
- Prioritize upgrades or vendor guidance for versions through 2.4.4.
- Review GitHub PR 7163 as the referenced patch source.
- Restrict network access to RethinkDB services where possible.
- Monitor RethinkDB project channels for release or advisory updates.
Validation and detection
- Confirm whether deployed RethinkDB versions are through 2.4.4.
- Check whether the PR 7163 patch is present in deployed builds.
- Verify RethinkDB is not exposed to untrusted networks.
- Review logs for unusual crashes or JSON-processing anomalies.
- Track CVE and upstream repository updates for corrected version details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24810 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:M/U:Red
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:M/U:Red——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
10CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:C/RE:M/U:Red
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/rethinkdb/rethinkdb/pull/7163CVE reference · patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.