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CVE-2026-34172

29
FAUCET Score

CVE-2026-34172 is a Remote Code Execution (RCE) vulnerability impacting the Giskard open-source Python library, specifically in versions prior to 0.3.4 and 1.0.2b1. The vulnerability arises when the `ChatWorkflow.chat(message)` method processes user input directly as a Jinja2 template in a non-sandboxed environment, allowing an attacker to achieve full RCE via Jinja2 class traversal. Rated with a CVSS score of 7.7 (HIGH), this flaw has a network attack vector, low attack complexity, and requires low privileges, posing a significant risk to affected systems. There is currently no evidence of active exploitation, nor are public exploit codes or significant community discussion available. Organizations using Giskard are advised to upgrade to versions 0.3.4 or 1.0.2b1 to remediate this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.3.4CPE matchmatch criteria
cpe:2.3:a:giskard:giskard-agent:*:*:*:*:*:python:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:giskard:giskard-agent:1.0.2:alpha1:*:*:*:python:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:giskard:giskard-agents:1.0.1:alpha1:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 4.0

7.7HIGH

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 36th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: giskard-agentsFixed in: 0.3.4
pippatch availablevia ghsa
Product: giskard-agentsFixed in: 1.0.2b1
github_advisoryworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

pipGHSA-frv4-x25r-588mhigh

Giskard Agents have Server-side template injection via ChatWorkflow.chat() using non-sandboxed Jinja2 Environment

Mar 27, 2026

References

github.com / Giskard-AI/giskard-oss/security/advisories/GHSA-frv4-x25r-588m
ExploitMitigationVendor Advisory