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Fencer Vulns
critical 9.8

CVE-2024-38996 json

Prototype pollution in ag-grid-community via the _.mergeDeep function

published 2024-07-01 2 y ago modified 2026-09-10 1 mo ago also GHSA-876p-c77m-x2hc , EUVD-2024-2292

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

ag-grid-community v31.3.2 and ag-grid-enterprise v31.3.2 were discovered to contain a prototype pollution via the _.mergeDeep function. This vulnerability allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via injecting arbitrary properties.

Patch / fix

  • npm ag-grid-enterprise 31.3.4
  • npm ag-grid-community 31.3.4
  • ag-grid ag-grid 31.3.4

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/mestrtee/c1590660750744f25e86ba1bf240844b referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/mestrtee/f8037d492dab0d77bca719e05d31c08b referenced PoC, tagged "exploit" by a source, unverified
  • gist.github.com https://gist.github.com/mestrtee/18e8c27f3a6376e7cf082cfe1ca766fa referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
npm ag-grid-enterprise
<31.3.4
31.3.4
npm ag-grid-community
<31.3.4
31.3.4

Affected products

  • ag-grid ag-grid-enterprise

Classification

Weakness
  • CWE-1321 Improperly Controlled Modification of Object Prototype Attributes

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.