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Fencer Vulns
high 8.8

CVE-2022-31149 json

ActivityWatch vulnerable to DNS rebinding attack

published 2022-09-07 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52769

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

ActivityWatch open-source automated time tracker. Versions prior to 0.12.0b2 are vulnerable to DNS rebinding attacks. This vulnerability impacts everyone running ActivityWatch and gives the attacker full access to the ActivityWatch REST API. Users should upgrade to v0.12.0b2 or later to receive a patch. As a workaround, block DNS lookups that resolve to 127.0.0.1.

Patch / fix

  • activitywatch activitywatch 0.12.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
18 mo ago

Exploit prediction

1.28% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/zozs/fdebbce75fc8538c15851b46db944a16 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 9.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected products

  • ActivityWatch activitywatch

Classification

Weakness
  • CWE-290 Authentication Bypass by Spoofing

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.