CVE-2022-31149Public exploitNetwork attack vector

Full REST API access via DNS rebinding

Published Sep 7, 2022 · Updated Apr 22, 2025

DNS rebinding in ActivityWatch before 0.12.0b2 allows remote attackers to access its local REST API through a victim's browser. The bundled aw-server and aw-server-rust services accept API requests for attacker-controlled Host values instead of restricting the Host header to loopback or configured server names. A victim must visit attacker-controlled web content while ActivityWatch is running; the attacker can then read, write, or delete locally stored activity data.

CVSS severity8.8
High
EPSS probability1.23%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

DNS rebinding in ActivityWatch before 0.12.0b2 allows remote attackers to access its local REST API through a victim's browser. The bundled aw-server and aw-server-rust services accept API requests for attacker-controlled Host values instead of restricting the Host header to loopback or configured server names. A victim must visit attacker-controlled web content while ActivityWatch is running; the attacker can then read, write, or delete locally stored activity data.

The record

CVE
CVE-2022-31149
Published
Sep 7, 2022
Updated
Apr 22, 2025
Vendor
ActivityWatch
Product
ActivityWatch
Classifications
CWE-290, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 7, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 22, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 0.12.0b2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ActivityWatch · ActivityWatchversion=< 0.12.0b2

Published CVSS scores

9.6NISTCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
8.8GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-290Authentication Bypass by Spoofing
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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