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CVE-2026-33212

Weblate: Improper access control for pending tasks in API

3.1 LowFix available

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.22%Up 0.2 points since Apr 16, 2026
90%50%10%1%

What each source reports

CVE List Score used 3.1

Weblate: Improper access control for pending tasks in API

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Record
CVE-2026-33212
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
EUVDEUVD-2026-22997 3.1

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Record
EUVD-2026-22997
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-vj45-x3pj-f4w4 3.1

Weblate: Improper access control for pending tasks in API

Impact

The API for tasks didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope.

Patches

Workarounds

The attacker needs to guess the random UUID of the task, so exploiting this is unlikely with the default API rate limits.

References

This issue was identified by Michal Čihař.

Record
GHSA-vj45-x3pj-f4w4
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
NVD 3.1

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Record
CVE-2026-33212
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
OSV 3.1

Weblate: Improper access control for pending tasks in API

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Record
CVE-2026-33212
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
OSVGHSA-vj45-x3pj-f4w4 3.1

Weblate: Improper access control for pending tasks in API

Impact

The API for tasks didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope.

Patches

Workarounds

The attacker needs to guess the random UUID of the task, so exploiting this is unlikely with the default API rate limits.

References

This issue was identified by Michal Čihař.

Record
GHSA-vj45-x3pj-f4w4
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
OSVPYSEC-2026-2311 3.1

Weblate is a web based localization tool. In versions prior to 5.17, the tasks API didn't verify user access for pending tasks. This could expose logs of in-progress operations to users who don't have access to given scope. The attacker needs to brute-force the random UUID of the task, so exploiting this is unlikely with the default API rate limits. This issue has been fixed in version 5.17.

Record
PYSEC-2026-2311
CVSS 3.1
3.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
weblate
PyPI
before 5.17
5.17
weblate
PyPI
before 5.17, plus listed versions
1.92.02.12.102.10.1
Show 45 moreShow less
2.112.122.132.13.12.142.14.12.152.162.172.17.12.182.192.19.12.22.202.32.42.52.62.72.82.93.03.0.13.13.1.13.103.10.13.10.23.10.33.113.11.13.11.23.11.33.23.2.13.2.23.33.43.53.5.13.63.6.13.73.7.1
5.17

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-33212 is a low vulnerability (CVSS 3.1) in Weblate, published April 15, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.22%, the 12th percentile. Fixed in weblate 5.17.

References

This page doesn't list everything

Left out here: 113 versions. The JSON record has them.

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