Detections
Analytics
SCA: security update for ajv (GHSA-2g4f-4pwh-qvx6)
medium Tenable Self-Hosted Container Security Plugin ID 437750
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- ajv (Another JSON Schema Validator) before 8.18.0 is vulnerable to Regular Expression Denial of Service
(ReDoS) when the $data option is enabled. The pattern keyword accepts runtime data via JSON Pointer syntax
($data reference), which is passed directly to the JavaScript RegExp() constructor without validation. An
attacker can inject a malicious regex pattern (e.g., "^(a|a)*$") combined with crafted input to cause
catastrophic backtracking. A 31-character payload causes approximately 44 seconds of CPU blocking, with
each additional character doubling execution time. This enables complete denial of service with a single
HTTP request against any API using ajv with $data: true for dynamic schema validation. This issue is also
fixed in version 6.14.0. (CVE-2025-69873)
See Also
Plugin Details
Severity: Medium
ID: 437750
Version: Revision 1.8
Type: Local
Family: SCA Checks
Published: 2/17/2026
Updated: 7/2/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 94.16
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: Low
Base Score: 1.2
Temporal Score: 0.9
Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2025-69873
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: Medium
Base Score: 6.9
Threat Score: 2.7
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 2/11/2026
Vulnerability Publication Date: 2/11/2026
Reference Information
CVE: CVE-2025-69873