CVE-2026-87863

HSTS response erases persisted entries

CVE-2026-87863 is fixed in 3 products on 1 platform, first by curl 8.5.0-2ubuntu10.16, released October 21, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0083
57th percentile

HSTS response erases persisted entries (bsc#1285022).

Where it's fixed

ProductFixed inFixReleased
Linux
curl · Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.16 curl 8.5.0-2ubuntu10.16 Oct 21, 2026
curl · Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.8 curl 8.18.0-1ubuntu2.8 Nov 7, 2026
curl · sles 15.6 8.22.0-150600.4.58.1 SUSE-SU-2026:5069-1 Nov 7, 2026
curl · sles 15.7 8.22.0-150700.7.33.1 SUSE-SU-2026:5068-1 Nov 7, 2026
libcurl3t64-gnutls · Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.16 libcurl3t64-gnutls 8.5.0-2ubuntu10.16 Oct 21, 2026
libcurl3t64-gnutls · Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.8 libcurl3t64-gnutls 8.18.0-1ubuntu2.8 Nov 7, 2026
libcurl4t64 · Ubuntu 24.04.5 LTS (noble) 8.5.0-2ubuntu10.16 libcurl4t64 8.5.0-2ubuntu10.16 Oct 21, 2026
libcurl4t64 · Ubuntu 26.04.1 LTS (resolute) 8.18.0-1ubuntu2.8 libcurl4t64 8.18.0-1ubuntu2.8 Nov 7, 2026

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