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🛡️ CVE-2026-33286 — graphiti

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-913 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Graphiti Affected by Arbitrary Method Execution via Unvalidated Relationship Names

Summary

An arbitrary method execution vulnerability has been found which affects Graphiti's JSONAPI write functionality. An attacker can craft a malicious JSONAPI payload with arbitrary relationship names to invoke any public method on the underlying model instance, class or its associations.

Impact

Any application exposing Graphiti write endpoints (create/update/delete) to untrusted users is affected.

The Graphiti::Util::ValidationResponse#all_valid? method recursively calls model.send(name) using relationship names taken directly from user-supplied JSONAPI payloads, without validating them against the resource's configured sideloads. This allows an attacker to potentially run any public method on a given model instance, on the instance class or associated instances or classes, including destructive operations.

Patches

This is patched in Graphiti v1.10.2. Users should upgrade as soon as possible.

Workarounds

If upgrading to v1.10.2 is not immediately possible, consider one or more of the following mitigations:

  • Restrict write access: Ensure Graphiti write endpoints (create/update/delete) are not accessible to untrusted users.
  • Authentication & authorisation: Apply strong authentication and authorisation checks before any write operation is processed, for example use Rails strong parameters to ensure only valid parameters are processed.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: None — nobody has to be tricked into anything.
  • Scope: Unchanged — the damage stays inside the vulnerable component.
  • Confidentiality impact: None.
  • Integrity impact: High — total loss, or loss the attacker controls.
  • Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2026-33286 is classified as CWE-913: Improper Control of Dynamically-Managed Code Resources. Attacker input reaches variables, objects or code that the runtime manages dynamically.

Affected software

CVE-2026-33286 is recorded against 1 package.

  • graphiti (fixed in 1.10.2)

Timeline and source

Published on 20 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
github.com (Web)

Other advisories for this package

graphiti has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-913: Improper Control of Dynamically-Managed Code Resources) in other software:

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE CWE-913
Public Exploit ✅ No
Source OSV
Published 2026-03-20
Updated 2026-08-20
Modified 2026-06-17

Affected Packages

Software From version Fixed in
graphiti — 1.10.2

Similar Threats

Exploit Protection

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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