CVE-2026-10722: cilium ebpf · Integer Overflow
Affects cilium ebpfSource CVE Database V5
Public exploit available · CVSS 4.8 Medium · patch available : patch cilium ebpf as a priority.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 3 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ciliumebpf | Affected
| Fixed in– |
GitHubcilium/ebpfpkg:github/cilium/ebpfOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:a:cilium:ebpf:*:*:*:*:*:*:*:*
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Description
A vulnerability has been found in cilium ebpf up to 0.21.0. This affects the function loadRawSpec of the file btf/btf.go of the component LoadCollectionSpec/LoadCollectionSpecFromReader. Such manipulation of the argument offset leads to integer overflow. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The name of the patch is 533dfc82fd228bfadf42ea7180c39de7d9af47fa. A patch should be applied to remediate this issue.
References
- vuldb.com/vuln/368091 (opens in a new tab)
- vuldb.com/vuln/368091/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-10722 (opens in a new tab)
- vuldb.com/submit/818291 (opens in a new tab)
- github.com/cilium/ebpf/issues/2019 (opens in a new tab)
- github.com/cilium/ebpf/pull/2021 (opens in a new tab)
- gist.github.com/thesmartshadow/256bff0f8042c584f993ace89074a815 (opens in a new tab)
- github.com/cilium/ebpf/commit/533dfc82fd228bfadf42ea7180c39de7d9af47fa (opens in a new tab)
- github.com/cilium/ebpf/ (opens in a new tab)