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CVE-2023-40570

Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users

5.3 MediumFix available

CVE-2023-40570 is a medium vulnerability (CVSS 5.3) in Datasette, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. Fixed in datasette 1.0a4.

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

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
Low
Integrity
None
Availability
None

Exploit likelihood

0.56%Up 0.5 points since Aug 25, 2023
90%50%10%1%

What each source reports

CVE List Score used 5.3

Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

Record
CVE-2023-40570
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-213
Updated
2026-11-02
EUVDEUVD-2023-0061 5.3

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

Record
EUVD-2023-0061
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-7ch3-7pp7-7cpq 5.3

Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users

Impact

This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords.

The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user.

Patches

Datasette 1.0a4 has a fix for this issue.

Workarounds

To work around this issue, block all traffic to the /-/api endpoint. This can be done with a proxy such as Apache or NGINX, or by installing the datasette-block plugin and adding the following configuration to your metadata.json or metadata.yml file:

{
    "plugins": {
        "datasette-block": {
            "prefixes": ["/-/api"]
        }
    }
}

This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy.

Record
GHSA-7ch3-7pp7-7cpq
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-213
Updated
2026-11-02
NVD 5.3

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

Record
CVE-2023-40570
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-213
Updated
2026-11-02
OSV 5.3

Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

Record
CVE-2023-40570
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-213
Updated
2026-11-02
OSVGHSA-7ch3-7pp7-7cpq 5.3

Datasette 1.0 alpha series leaks names of databases and tables to unauthenticated users

Impact

This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords.

The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user.

Patches

Datasette 1.0a4 has a fix for this issue.

Workarounds

To work around this issue, block all traffic to the /-/api endpoint. This can be done with a proxy such as Apache or NGINX, or by installing the datasette-block plugin and adding the following configuration to your metadata.json or metadata.yml file:

{
    "plugins": {
        "datasette-block": {
            "prefixes": ["/-/api"]
        }
    }
}

This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy.

Record
GHSA-7ch3-7pp7-7cpq
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200, CWE-213
Updated
2026-11-02
OSVPYSEC-2023-154 5.3

Datasette is an open source multi-tool for exploring and publishing data. This bug affects Datasette instances running a Datasette 1.0 alpha - 1.0a0, 1.0a1, 1.0a2 or 1.0a3 - in an online accessible location but with authentication enabled using a plugin such as datasette-auth-passwords. The /-/api API explorer endpoint could reveal the names of both databases and tables - but not their contents - to an unauthenticated user. Datasette 1.0a4 has a fix for this issue. This will block access to the API explorer but will still allow access to the Datasette read or write JSON APIs, as those use different URL patterns within the Datasette /database hierarchy. This issue is patched in version 1.0a4.

Record
PYSEC-2023-154
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
datasette
PyPI
1.0a0 up to 1.0a4
1.0a4
datasette
PyPI
1.0a0 up to 1.0a4, plus listed versions
1.0a11.0a21.0a3
1.0a4
datasette
PyPI
All versions, plus listed versions
0.100.110.120.130.14
Show 45 moreShow less
0.150.160.170.180.190.200.210.220.22.10.230.23.10.23.20.240.250.25.10.25.20.260.26.10.26.20.270.27.10.280.290.29.10.29.20.29.30.300.30.10.30.20.310.31.10.31.20.320.330.340.350.360.370.37.10.380.390.400.410.420.43
None known

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, GitHub Advisories, NVD, OSV

References

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