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CVE-2026-32766

19
FAUCET Score

CVE-2026-32766 affects astral-tokio-tar versions 0.5.6 and earlier, where the library silently skips malformed PAX extensions in tar archives instead of rejecting them. This low-severity vulnerability (CVSS 1.7) requires a high attack complexity, as exploitation depends on a secondary, vulnerable tar parser misinterpreting the silently skipped extensions, potentially leading to minor integrity issues. The attack vector is network-based, but the specific conditions make it difficult to leverage. There is no evidence of active exploitation, nor is exploit code publicly available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage are currently absent, further indicating its low profile and minimal immediate threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.6.0CPE matchmatch criteria
cpe:2.3:a:astral:astral-tokio-tar:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 4.0

1.7LOW

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.25%
Probability of exploitation in next 30 days
EPSS Percentile
16.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0025 is in the 7th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (10)

rustpatch availablevia ghsa
Product: astral-tokio-tarFixed in: 0.6.0
redhatvendor investigatingvia redhat_api
Product: Confidential Compute AttestationFixed in: openshift-sandboxed-containers/osc-monitor-rhel9
redhatvendor investigatingvia redhat_api
Product: Confidential Compute AttestationFixed in: openshift-sandboxed-containers/osc-operator-bundle
redhatvendor investigatingvia redhat_api
Product: Confidential Compute AttestationFixed in: openshift-sandboxed-containers/osc-podvm-builder-rhel9
redhatvendor investigatingvia redhat_api
Product: Confidential Compute AttestationFixed in: openshift-sandboxed-containers/osc-podvm-payload-rhel9
redhatvendor investigatingvia redhat_api
Product: Confidential Compute AttestationFixed in: openshift-sandboxed-containers/osc-rhel9-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: trustee
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: trustee-guest-components
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: trustee-guest-components
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: kata-containers

Vendor Advisories (3)

redhatCVE-2026-32766Low

astral-tokio-tar: astral-tokio-tar: Potential archive misinterpretation via malformed PAX extensions

Mar 20, 2026
rustGHSA-6gx3-4362-rf54medium

astral-tokio-tar insufficiently validates PAX extensions during extraction

Mar 17, 2026
microsoft2026-Mar/CVE-2026-32766Low

astral-tokio-tar insufficiently validates PAX extensions during extraction

Mar 10, 2026

References

github.com / astral-sh/tokio-tar/commit/e5e0139cae4577eeedf5fc16b65e690bf988ce52
Patch
github.com / astral-sh/tokio-tar/security/advisories/GHSA-6gx3-4362-rf54
MitigationVendor Advisory