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Vulnerabilities

Vulnerability · CVE-2025-59288

Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

Published Oct 14, 2025 · catalog updated Feb 22, 2026 · Microsoft

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-59288. EPSS is 0.23%. Act only if a listed version of Microsoft is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Version ranges on file
Affected products
vendor Microsoft microsoft/playwright 1.0.0 <1.55.1

Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Microsoft microsoft/playwright 1.0.0 <1.55.11.0.0 <1.55.1

How to fix CVE-2025-59288

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-59288. EPSS is 0.23%. Act only if a listed version of Microsoft is installed.

Which versions are affected?

Compare what you have installed with Microsoft microsoft/playwright 1.0.0 <1.55.1 1.0.0 <1.55.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.23%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2025 · EUVD

    Detected

    Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

  2. Feb 22, 2026 · EUVD

    Updated

    Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

Sources

  • CVE.orgVulnerability recordCVE-2025-59288

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-59288

    30-day exploitation probability 0.23%

    first.org
  • EUVDVulnerability recordEUVD-2025-34363

    Improper verification of cryptographic signature in Github: Playwright allows an unauthorized attacker to perform spoofing over an adjacent network.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 23, 2026
  • FIRST EPSSOct 23, 2026
  • EUVDOct 23, 2026