Low severity · published Jan 28, 2026
CVE-2026-1520
rethinkdb Secondary Index cross site scripting
2.4
CVSS
0.3%
EPSS
No
On KEV
Description
A vulnerability was identified in rethinkdb up to 2.4.3. Affected by this issue is some unknown functionality of the component Secondary Index Handler. Such manipulation leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RE
rethinkdb ·
2.4.0; 2.4.1; 2.4.2; 2.4.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1520
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1520
github.com
https://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20rethinkdb%20database.md
github.com
https://github.com/59lab/dbdb/blob/main/There%20is%20a%20cross-site%20scripting(XSS)%20vulnerability%20in%20the%20rethinkdb%20database.md#poc
vuldb.com
https://vuldb.com/?ctiid.343191
vuldb.com
https://vuldb.com/?id.343191
vuldb.com
https://vuldb.com/?submit.738312