CVE-2026-82285

HIGHPre-NVD 8.28.2—
EchelonGraph scoreHIGH confidence

Score 8.2 from GitHub Security Advisory (severity: HIGH) published 2026-08-28. a secondary CVSS source baseline 8.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 4 sources updated this week
8.2EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.2Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

bisheng through 2.6.0-fix2 contains a server-side request forgery vulnerability in the POST /api/v1/workflow/report/callback endpoint that lacks authentication and applies no URL scheme restrictions or host filtering. Unauthenticated attackers can supply arbitrary URLs to enumerate internal network services and cloud metadata endpoints, then retrieve captured responses from object storage using caller-supplied object names.

CVSS v3
8.2
EG Score
8.2(high)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity82% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

August 28, 2026

Last Modified

August 28, 2026

Advisory Details (4)

Auto-updated Aug 28, 2026
No patch confirmed yet.
generic

BISHENG Unauthenticated Server-Side Request Forgery via Workflow Report Callback | Advisories | VulnCheck

https://www.vulncheck.com/advisories/bisheng-unauthenticated-server-side-request-forgery-via-workflow-report-callback
generic

bisheng/src/backend/bisheng/api/v1/workflow.py at 3f27641987c7363d2d7b7b1a8c3c3dbe09c60fd7 · dataelement/bisheng · GitHub

https://github.com/dataelement/bisheng/blob/3f27641987c7363d2d7b7b1a8c3c3dbe09c60fd7/src/backend/bisheng/api/v1/workflow.py
generic

GitHub - dataelement/bisheng: BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level System Management, Observability and more. · GitHub

https://github.com/dataelement/bisheng
generic

Unauthenticated SSRF via workflow report callback endpoint · Issue #2190 · dataelement/bisheng · GitHub

https://github.com/dataelement/bisheng/issues/2190

Vendor Advisories for CVE-2026-82285(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-29 19:50 UTCGHSA enrichment
  3. 2026-08-29 08:08 UTCEG score recompute
  4. 2026-08-29 08:08 UTCGHSA enrichment
  5. 2026-08-28 20:25 UTCEG score recompute
  6. 2026-08-28 19:39 UTCEG score recompute
  7. 2026-08-28 19:36 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82285?
CVE-2026-82285 is a high vulnerability published on August 28, 2026. bisheng through 2.6.0-fix2 contains a server-side request forgery vulnerability in the POST /api/v1/workflow/report/callback endpoint that lacks authentication and applies no URL scheme restrictions or host filtering. Unauthenticated attackers can supply arbitrary URLs to enumerate internal network…
When was CVE-2026-82285 disclosed?
CVE-2026-82285 was first published in the National Vulnerability Database on August 28, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82285 actively exploited?
CVE-2026-82285 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 76.9% of all scored CVEs.
What is the CVSS score of CVE-2026-82285?
CVE-2026-82285 has a CVSS v3 base score of 8.2 (NVD).
How do I remediate CVE-2026-82285?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82285, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-82285

Explore →

Is Your Infrastructure Affected by CVE-2026-82285?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs