weblate up to 5.17.0 cycle_session_keys session expiration

CVSS Meta Temp Score
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in weblate up to 5.17.0. It has been declared as problematic. Affected by this vulnerability is the function cycle_session_keys. The manipulation results in session expiration. This vulnerability was named CVE-2026-41519. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in weblate up to 5.17.0. It has been classified as problematic. Affected is the function cycle_session_keys. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-41519 since 04/20/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit.

Upgrading to version 5.17.1 eliminates this vulnerability.

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Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.2
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Session expiration
CWE: CWE-613
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: weblate 5.17.1

Timelineinfo

04/20/2026 CVE reserved
05/07/2026 +17 days Advisory disclosed
05/07/2026 +0 days VulDB entry created
05/07/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-41519 (🔒)
GCVE (CVE): GCVE-0-2026-41519
GCVE (VulDB): GCVE-100-361878

Entryinfo

Created: 05/07/2026 17:01
Changes: 05/07/2026 17:01 (62)
Complete: 🔍
Cache ID: 216::103

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