CVE-2026-1520
rethinkdb Secondary Index cross site scripting
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
4.8
rethinkdb Secondary Index cross site scripting
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.
- Record
CVE-2026-1520- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R - CVSS 3.0
- 2.4 Low
CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R - CVSS 2.0
- 3.3
AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:UR - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2026-4884
4.8
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.
- Record
EUVD-2026-4884- CVSS 4.0
- 4.8 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-q425-79xc-4mv2
1.9
A vulnerability was identified in rethinkdb up to 2.4.3. Affected by this issue is some unknown...
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.
- Record
GHSA-q425-79xc-4mv2- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
1.9
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.
- Record
CVE-2026-1520- CVSS 4.0
- 1.9 Low
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 2.4 Low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N - CVSS 2.0
- 3.3 Low
AV:N/AC:L/Au:M/C:N/I:P/A:N - Weakness
- CWE-79, CWE-94
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-1520 is a medium vulnerability (CVSS 4.8), published January 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 17th percentile. No source names a fixed version.