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CVE-2026-41519

Weblate's API Token Not Invalidated on Password Change

4.2 MediumFix available

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

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
Low
Availability
None

Exploit likelihood

0.27%Up 0.2 points since May 8, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.2

Weblate's API Token Not Invalidated on Password Change

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Record
CVE-2026-41519
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
EUVDEUVD-2026-28380 4.2

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Record
EUVD-2026-28380
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-6j8j-4qp3-36p2 4.2

Weblate Doesn't Invalidate API Token on Password Change

Impact

When a user changes their password, browser sessions are correctly invalidated via cycle_session_keys(), but DRF API tokens (wlu_* prefix) stored in authtoken_token are not revoked.

Patches

Resources

Weblate thanks Sang Yu Jeon for reporting this via GitHub.

Record
GHSA-6j8j-4qp3-36p2
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
NVD 4.2

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Record
CVE-2026-41519
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
OSV 4.2

Weblate's API Token Not Invalidated on Password Change

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Record
CVE-2026-41519
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
OSVGHSA-6j8j-4qp3-36p2 4.2

Weblate Doesn't Invalidate API Token on Password Change

Impact

When a user changes their password, browser sessions are correctly invalidated via cycle_session_keys(), but DRF API tokens (wlu_* prefix) stored in authtoken_token are not revoked.

Patches

Resources

Weblate thanks Sang Yu Jeon for reporting this via GitHub.

Record
GHSA-6j8j-4qp3-36p2
CVSS 3.1
4.2 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness
CWE-613
Updated
2026-11-02
OSVPYSEC-2026-2316 5.4

Weblate is a web based localization tool. Prior to version 5.17.1, when a user changes their password, browser sessions are correctly invalidated via "cycle_session_keys()", but DRF API tokens ("wlu_*" prefix) stored in "authtoken_token" are not revoked. This issue has been patched in version 5.17.1.

Record
PYSEC-2026-2316
CVSS 3.1
5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Updated
2026-11-02
OSVopenSUSE-SU-2026:10929-1 No score

weblate-5.17.1-1.1 on GA media

These are all security issues fixed in the weblate-5.17.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10929-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
weblate
PyPI
 before 5.17.1
5.17.1
weblate
PyPI
 before 5.17.1, plus listed versions
1.92.02.12.102.10.1
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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
5.17.1
weblate
openSUSE:Tumbleweed
From an advisory covering 4 CVEs
 before 5.17.1-1.1
5.17.1-1.1

History

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

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

In short

CVE-2026-41519 is a medium vulnerability (CVSS 4.2) in Weblate, published April 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. Fixed in weblate 5.17.1.

References

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