131 matches found
Prototype Pollution
Overview exceljs is a package to Read, manipulate and write spreadsheet data and styles to XLSX and JSON. Affected versions of this package are vulnerable to Prototype Pollution through Note.model serialization in lib/utils/under-dash.js. An attacker can modify Object.prototype and influence late...
Prototype Pollution
Overview Affected versions of this package are vulnerable to Prototype Pollution through Note.model serialization in lib/utils/under-dash.js. An attacker can modify Object.prototype and influence later plain-object behavior by supplying user-controlled JSON as cell.note with a proto property and...
CVE-2026-78207
exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and affecting...
CVE-2026-78207
exceljs-hardened before 5.0.0 (also tracked as exceljs through 4.4.0) contains a prototype pollution vulnerability in the deepMerge helper. The helper fails to reject __proto__, constructor, or prototype keys when merging note objects, allowing an attacker to assign parsed JSON with a malicious _...
EUVD-2026-64682
exceljs-hardened before 5.0.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and...
CVE-2026-78207 exceljs through 4.4.0 Prototype Pollution via deepMerge Reached From Note Serialization
exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and affecting...
CVE-2026-78207 exceljs through 4.4.0 Prototype Pollution via deepMerge Reached From Note Serialization
exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and affecting...
CVE-2026-78207 exceljs through 4.4.0 Prototype Pollution via deepMerge Reached From Note Serialization
exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and affecting...
PT-2026-79800
exceljs-hardened before 5.0.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto , constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and...
PT-2026-79815
A security flaw has been discovered in alibaba-fusion next up to 1.27.34. This issue affects the function ConfigProvider.getContextProps of the file components/dialog/index.tsx of the component deepMerge. Performing a manipulation of the argument locale results in improperly controlled modificati...
CVE-2026-78207: Improperly Controlled Modification of Object Prototype Attributes
exceljs through 4.4.0 contains a prototype pollution vulnerability in the deepMerge helper that fails to reject proto, constructor, or prototype keys when merging note objects. Attackers can assign parsed JSON with a malicious proto property to cell notes, modifying Object.prototype and affecting...
CVE-2026-40345
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
CVE-2026-40345 deepmerge-ts: Stack exhaustion when merging recursive object graphs
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
CVE-2026-40345
deepmerge-ts
CVE-2026-40345 deepmerge-ts: Stack exhaustion when merging recursive object graphs
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
EUVD-2026-63468
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
CVE-2026-40345 deepmerge-ts: Stack exhaustion when merging recursive object graphs
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
CVE-2026-40345: Uncontrolled Recursion
deepmerge-ts is a typescript library providing functionality to deep merging of javascript objects. Prior to 8.0.0, the deepmerge, deepmergeCustom, deepmergeInto, and deepmergeIntoCustom APIs do not track visited objects or object pairs when recursively merging records. When two input values...
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...
