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VulnerabilityPublished Updated

CVE-2026-82811: Toggl OÜ Toggl Track Extension · CWE-345

Source GCVE Database

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Authoritative record:CVE-2026-82811· Medium 5.3

Public exploit available · CVSS 5.3 Medium.

Data as of 11 Nov 2026, 13:48 UTC

CVSS 4.0 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulDB)CVSS 4.05.3
CNA (VulDB)CVSS 3.15.4
CNA (VulDB)CVSS 3.05.4
CNA (VulDB)CVSS 2.06.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: evidence found.

    CVSS exploit maturity: proof of concept public

  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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Toggl OÜToggl Track ExtensionAffected
  • 4.11.0 – 4.11.21
22 affected builds
Fixed in–

AI-suggested

Users should exercise caution when using version 4.11.16 of the Toggl Track Extension and monitor for any future vendor advisories or updates addressing this issue.

Description

A security vulnerability (CVE-2026-82811) exists in Toggl OÜ Toggl Track Extension version 4.11.16. The flaw involves an origin validation error in the postMessage handler component, which can be exploited remotely. The vulnerability has a medium severity score of 5.4 and has been publicly disclosed. The vendor was notified but has not responded or provided a patch. No known exploits are currently active in the wild.

References

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