CVE-2026-54279

ADVISORY - github

Summary

Host-only cookies that are saved with CookieJar.save() and then restored later with CookieJar.load() lose their host-only status.

Impact

Host-only cookies that have been loaded from disk may get sent to subdomains that previously should have been disallowed.

Patch: https://github.com/aio-libs/aiohttp/commit/a329a7aacad5284f087af36103aff778746da0f2

EPSS Score⁠: 0.00024 (0.072)

Common Weakness Enumeration (CWE)

ADVISORY - github

CWE-665⁠

Improper Initialization

Impacted images

Advisories

GitHub

CREATED

4 days ago

UPDATED

4 days ago

ADVISORY IDGHSA-2fqr-mr3j-6wp8⁠

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)

CWE-665⁠

CVSS SCORE

1.3low

Chainguard

CREATED

9 hours ago

UPDATED

9 hours ago

ADVISORY ID

CGA-83mv-gw9x-g6wr

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-3j67-wr5m-qx4m

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-3rpj-mmxc-j652

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-8q67-6cpx-29m5

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-fj8c-68p7-2ch8

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-g6r2-fxjq-8vwj

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-mvrf-3462-j8pf

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-q275-q5f4-27hc

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY

minimos

CREATED

3 days ago

UPDATED

3 days ago

ADVISORY ID

MINI-vqj7-g547-977h

EXPLOITABILITY SCORE

EXPLOITS FOUND

COMMON WEAKNESS ENUMERATION (CWE)-

RATING UNAVAILABLE FROM ADVISORY