CVE-2026-40345

creationtimestamp| type| source ---|---|--- 2026-08-17 14:35:03+00:00| published-proof-of-concept| https://github.com/RebeccaStevens/deepmerge-ts/security/advisories/GHSA-ggr8-5vv4-36mx 2026-08-17 18:00:03+00:00| seen| Telegram/S7eqLraqEg6Kwu3Kw8cANfzCQgkQhswVCeNeKxsnaOowjNQ 2026-08-18...

Exploit for CVE-2026-40345

deepmerge-ts mergeleft.self, right.self - mergeleft.sel...

DeepmergeTS has stack exhaustion when merging recursive object graphs

Summary deepmerge and deepmergeInto can be crashed with a crafted recursive object graph. When both merged values contain self-references at the same property path, the library recurses until Node throws RangeError: Maximum call stack size exceeded. Details Record merging is implemented...

Uncontrolled Recursion

Overview org.webjars.npm:deepmerge-ts is a Deeply merge 2 or more objects respecting type information. Affected versions of this package are vulnerable to Uncontrolled Recursion via the deepmerge and deepmergeInto functions. An attacker can cause a process crash or denial of service by supplying...

GHSA-GGR8-5VV4-36MX DeepmergeTS has stack exhaustion when merging recursive object graphs

Summary deepmerge and deepmergeInto can be crashed with a crafted recursive object graph. When both merged values contain self-references at the same property path, the library recurses until Node throws RangeError: Maximum call stack size exceeded. Details Record merging is implemented...

NPM: DeepmergeTS has stack exhaustion when merging recursive object graphs

NPM: DeepmergeTS has stack exhaustion when merging recursive object graphs vulnerability discovered by ? in WordPress Npm deepmerge-ts versions 8.0.0...

Uncontrolled Recursion

Overview deepmerge-ts is a Deeply merge 2 or more objects respecting type information. Affected versions of this package are vulnerable to Uncontrolled Recursion via the deepmerge and deepmergeInto functions. An attacker can cause a process crash or denial of service by supplying crafted recursiv...

PT-2026-76717

Name of the Vulnerable Software and Affected Versions deepmerge-ts versions prior to 8.0.0 Description The library fails to track visited objects or object pairs during the recursive merging of records. When two input values contain self-references at the same property path, the merge logic...

ts-deepmerge: Prototype Method Override leads to DoS

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

GHSA-87MF-GV2C-C62C ts-deepmerge: Prototype Method Override leads to DoS

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

NPM: ts-deepmerge: Prototype Method Override leads to DoS

NPM: ts-deepmerge: Prototype Method Override leads to DoS vulnerability discovered by ? in WordPress Npm ts-deepmerge versions 8.0.0...

CVE-2026-12644

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

EUVD-2026-37991

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

CVE-2026-12644

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

CVE-2026-12644

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

CVE-2026-12644

The CVE affects ts-deepmerge before version 8.0.0. The vulnerability stems from improper handling of built-in Object.prototype methods (e.g., toString, valueOf) during merging. If user-controlled input supplies these keys with non-function values, the merged object can break and throw a TypeError...

CVE-2026-12644

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

CVE-2026-12644

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...

PT-2026-50839

Name of the Vulnerable Software and Affected Versions ts-deepmerge versions prior to 8.0.0 Description An uncaught exception occurs due to improper handling of built-in Object.prototype methods, such as toString and valueOf. When user-controlled input contains these keys with non-function values,...

CVE-2026-12644: Uncaught Exception

Versions of the package ts-deepmerge before 8.0.0 are vulnerable to Uncaught Exception due to the improper handling of built-in Object.prototype methods such as toString, valueOf. When user-controlled input contains these keys with non-function values, the resulting merged object becomes broken —...