CVE-2026-82957

HIGH

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook ...

Affects 1 product across 1 vendor.

CVSS 3.17.3
CVSS v45.5
EPSS0.5%
Percentile42th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component.
CWE Weakness Definitions
CWE-918: Server-Side Request Forgery (SSRF)

Attacker causes the server to make HTTP requests to attacker-chosen destinations, potentially reaching internal services.

Related Attack Patterns (CAPEC)
CAPEC-664 Server Side Request Forgery
via CWE-918

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A high severity vulnerability (CVE-2026-82957) affects the target system. A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argume...

Is this CVE in your environment?

BreachSpider monitors your ICS/OT environment for vulnerabilities like this one. No agents or network access required. Free to start.

Check My Environment →
Frequently Asked Questions
What is CVE-2026-82957?
A high severity vulnerability (CVE-2026-82957) affects the target system. A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argume...
What is the CVSS score for CVE-2026-82957?
CVE-2026-82957 has CVSS 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS: 0.5%.
Is CVE-2026-82957 actively exploited?
No confirmed active exploitation of CVE-2026-82957 as of 2026-09-25.
How do I remediate CVE-2026-82957?
Apply vendor patches for CVE-2026-82957. Monitor Firefly advisories.
What systems are affected by CVE-2026-82957?
CVE-2026-82957 affects Firefly Firefly.
Vulnerability Details
CVE IDCVE-2026-82957
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published2026-08-31
Last Modified2026-09-01
ICS Relevance15%
Weakness (CWE)
Server-Side Request Forgery (SSRF)
SourceNVD
Official Description

A vulnerability was found in hyperledger-firefly firefly up to 1.4.0. The impacted element is the function ValidateOptions of the file internal/events/webhooks/webhooks.go of the component Webhook Subscription. Performing a manipulation of the argument url results in server-side request forgery. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductAffected Versions
Firefly Firefly 1.0 1.1 1.2 1.3 1.4.0
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 45 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
Related CVEs affecting Firefly
CVE-2007-2456 7.5 Multiple PHP remote file inclusion vulnerabilities in FireFly 1.1.01 allow re... CVE-2007-2460 7.5 PHP remote file inclusion vulnerability in modules/admin/include/config.php i... CVE-2007-5825 7.5 Format string vulnerability in the ws_addarg function in webserver.c in mt-da... CVE-2007-5824 7.1 webserver.c in mt-dappd in Firefly Media Server 0.2.4 and earlier allows remo... CVE-2024-37893 5.9 Firefly III is a free and open source personal finance manager. In affected v...
View all Firefly CVEs →

ICS/OT Vulnerability Intelligence for Your Environment

BreachSpider tracks 384,000+ CVEs and matches them to your ICS/OT assets by exact version, with AI analysis, NERC CIP mapping, and vendor PSIRT contacts.

Create a free account →