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CVE-2024-27101

25
FAUCET Score

CVE-2024-27101 is a critical integer overflow vulnerability affecting SpiceDB, an open-source database for managing application permissions. Specifically, it impacts SpiceDB clusters where a resource has over 65535 relationships of the same type, leading to missed elements or panics during CheckPermission, BulkCheckPermission, and LookupSubjects API calls. With a CVSS score of 9.1 (CRITICAL), this vulnerability has a network attack vector, low attack complexity, and can result in high integrity and availability impacts (data manipulation or service disruption). Despite its severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. A fix is available in SpiceDB version 1.29.2.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.29.2CPE matchmatch criteria
cpe:2.3:a:authzed:spicedb:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:N/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.46%
Probability of exploitation in next 30 days
EPSS Percentile
37.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0046 is in the 15th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/authzed/spicedbFixed in: 1.29.2

Vendor Advisories (1)

goGHSA-h3m7-rqc4-7h9phigh

Integer overflow in chunking helper causes dispatching to miss elements or panic

Mar 1, 2024

References

github.com / authzed/spicedb/commit/ef443c442b96909694390324a99849b0407007fe
Patch
github.com / authzed/spicedb/security/advisories/GHSA-h3m7-rqc4-7h9p
Vendor Advisory