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VulnerabilityPublished

CVE-2026-41519: WeblateOrg weblate · Insufficient Session Expiration

Affects WeblateOrg weblateSource CVE Database V5

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Not known to be exploited · CVSS 4.2 Medium : upgrade to 5.17.1 when convenient.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
4.2Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.17.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade weblate and weblateorg/weblate to 5.17.1.

Affected software

ProductAffectedFixed in
WeblateOrgweblateAffected
  • <5.17.1
Fixed in
  • 5.17.1
GitHubweblateorg/weblatepkg:github/weblateorg/weblateOther threatsAffected
  • <5.17.1
Fixed in
  • 5.17.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Weblate to version 5.17.1 or later, where this vulnerability has been patched. Since this is an official fix, applying the update fully mitigates the issue. No additional mitigation steps are indicated.

Description

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.

References

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