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CVE-2026-1154827.5HighCWE-770

CVE-2026-115482: litespeedtech lsquic vulnerability

litespeedtech · lsquic

Fixed in 4.9.0 · Affected: litespeedtech lsquic before 4.9.0 · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.5%probability of exploitation in the next 30 days
39th percentile
050100

Higher than 39% of scored CVEs

7.5HighCVSS 3.1
LowHigh

DescriptionCVE.org

In lsquic before 4.9.0, the HTTP/3 implementation can use an excessive amount of memory because the number of buffered header sets is not limited, as demonstrated by a QPACK amplification attack. This is related to header_out_dynamic_entry and es_max_header_list_size.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

  • litespeedtech · lsquicbefore 4.9.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
October 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-115482 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References