CVE-2025-32953Public exploitNetwork attack vector

Repository compromise via token-bearing workflow artifact

Published Apr 18, 2025 · Updated Apr 21, 2025

Sensitive-information exposure in Udo Munk z80pack 1.38 and earlier allows remote attackers to obtain a workflow's GITHUB_TOKEN. The makefile-ubuntu.yml workflow archives the working directory for z80pack-ubuntu, thereby packaging .git/config and its automatically inserted token in a downloadable artifact. Exploitation requires monitoring a workflow run and winning the brief interval before completion, after which the token permits malicious commits or rewritten release tags.

CVSS severity10.0
Critical
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Sensitive-information exposure in Udo Munk z80pack 1.38 and earlier allows remote attackers to obtain a workflow's GITHUB_TOKEN. The makefile-ubuntu.yml workflow archives the working directory for z80pack-ubuntu, thereby packaging .git/config and its automatically inserted token in a downloadable artifact. Exploitation requires monitoring a workflow run and winning the brief interval before completion, after which the token permits malicious commits or rewritten release tags.

The record

CVE
CVE-2025-32953
Published
Apr 18, 2025
Updated
Apr 21, 2025
Vendor
Udo Munk
Product
z80pack
Classifications
CWE-200, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 18, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 21, 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=< bd95916

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Udo Munk · z80packversion=< bd95916

Published CVSS scores

8.7GitHub CNACVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H
10.0GitHub repository advisoryCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/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.

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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-200Exposure of Sensitive Information to an Unauthorized Actor
T1552.001Unsecured Credentials: Credentials In Files

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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