GHSA-5mg8-w23w-74h3: com.google.guava:guava (CVE-2020-8908)

Package	Ecosystem	Affected	Fixed in
com.google.guava:guava	Maven	<32.0.0-android	32.0.0-android

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Guava (Maven com.google.guava:guava) versions before 32.0.0-android are affected. An attacker with local access to the machine can potentially read data in temporary directories created by Files.createTempDir(), because the directory gets default Unix-like /tmp permissions. Upgrade to 32.0.0-android or later; alternatively, explicitly set the directory permissions after creation or stop using createTempDir().

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
3.3	Low	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	CNA (Google)

CISA KEV Not listed.
EPSS 0.0092, the 60th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

10 Dec 2020, 22:10 UTC Confirmed by the CVE List
10 Dec 2020, 23:15 UTC Confirmed by NVD
31 Oct 2026, 14:18 UTC First seen by agentprime
31 Oct 2026, 14:18 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.