CVE-2020-36632
A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.21%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.21% probability · 68th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- flat project/flat
- Source
- cna@vuldb.com
EPSS 1.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13Patch, Third Party Advisory
- https://github.com/hughsk/flat/issues/105Issue Tracking, Third Party Advisory
- https://github.com/hughsk/flat/pull/106Patch, Third Party Advisory
- https://github.com/hughsk/flat/releases/tag/5.0.1Release Notes, Third Party Advisory
- https://vuldb.com/?ctiid.216777Third Party Advisory
- https://vuldb.com/?id.216777Third Party Advisory
- https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13Patch, Third Party Advisory
- https://github.com/hughsk/flat/issues/105Issue Tracking, Third Party Advisory
- https://github.com/hughsk/flat/pull/106Patch, Third Party Advisory
- https://github.com/hughsk/flat/releases/tag/5.0.1Release Notes, Third Party Advisory
- https://vuldb.com/?ctiid.216777Third Party Advisory
- https://vuldb.com/?id.216777Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.