CVE-2020-26289
Regular expression Denial of Service in date-and-time
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Regular expression Denial of Service in date-and-time
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
CVE-2020-26289- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
EUVDEUVD-2020-1504
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
EUVD-2020-1504- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r92x-f52r-x54g
regular expression denial of service (ReDoS)
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
GHSA-r92x-f52r-x54g- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
NVD
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
CVE-2020-26289- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
OSV
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
CVE-2020-26289- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVGHSA-r92x-f52r-x54g
regular expression denial of service (ReDoS)
date-and-time is an npm package for manipulating date and time. In date-and-time before version 0.14.2, there a regular expression involved in parsing which can be exploited to to cause a denial of service. This is fixed in version 0.14.2.
- Record
GHSA-r92x-f52r-x54g- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
OSVCLSA-2026-1792596188 No score
TuxCare security update for date-and-time (1 CVE)
TuxCare rebuilt date-and-time to address 1 CVE. Fixed in 0.11.1-tuxcare.1.
- Record
CLSA-2026-1792596188- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
date-and-timenpm |
before 0.14.2 | 0.14.2 |
date-and-timeTuxCare:npm |
0.11.1-tuxcare.0 up to 0.11.1-tuxcare.1, plus listed versions 0.11.1 |
0.11.1-tuxcare.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-26289 is a high vulnerability (CVSS 7.5) in Date-and-time Project Date-and-time, published December 24, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.17%, the 82nd percentile. Fixed in date-and-time 0.14.2.
References
github.com/knowledgecode/date-and-time/security/advisories/GHSA-r92x-f52r-x54g
npmjs.com/package/date-and-time
nvd.nist.gov/vuln/detail/CVE-2020-26289