CVE-2023-27588 | Unauthenticated path traversal vulnerability in Hasura GraphQL Engine

Hasura is an open-source product that provides users GraphQL or REST APIs. A path traversal vulnerability has been discovered within Hasura GraphQL Engine prior to versions 1.3.4, 2.55.1, 2.20.1, and 2.21.0-beta1. Projects running on Hasura Cloud were not vulnerable. Self-hosted Hasura Projects with deployments that are publicly exposed and not protected by a WAF or other HTTP protection layer should be upgraded to version 1.3.4, 2.55.1, 2.20.1, or 2.21.0-beta1 to receive a patch.

Published: 2023-03-14 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-27588 is rated Moderate Risk (53.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.30%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-27588

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.10% 1.30% +0.20%
2 2026-05-24 1.29% 1.10% -0.19%
3 2026-04-17 1.29%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-27588

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2023-27588

Affected software / configurations for CVE-2023-27588

Vendor Product Version Raw CPE
hasura graphql_engine < 1.3.4 cpe:2.3:a:hasura:graphql_engine:*:*:*:*:*:*:*:*
hasura graphql_engine >= 2.0.0, < 2.11.5 cpe:2.3:a:hasura:graphql_engine:*:*:*:*:*:*:*:*
hasura graphql_engine >= 2.12.0, < 2.20.1 cpe:2.3:a:hasura:graphql_engine:*:*:*:*:*:*:*:*

References for CVE-2023-27588

cvelogic Threat Intelligence