Flower, a web UI for the Celery Python RPC framework, all versions as of 05-02-2022 is vulnerable to an OAuth authentication bypass. An attacker could then access the Flower API to discover and invoke arbitrary Celery RPC calls or deny service by shutting down Celery task nodes.
CVE-2022-30034
This high-severity CVE scores 8.6 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 41% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.6
- EG Score
- 8.6(medium)
- EG Risk
- 44(Track)EG Risk 44/100SSVC: 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 computedSeverity86% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 59.1%
- KEV
- Not listed
Published
June 2, 2022
Last Modified
July 9, 2026
Advisory Details (2)
Auto-updated Jul 6, 2026Multiple Vulnerabilities in Flower and Downstream Attacks on Airflow | Tanner Prynn
https://tprynn.github.io/2022/05/26/flower-vulns.htmlSecurity Vulnerabilities in Flower: OAuth Authentication Bypass and Lack of CSRF Protections (CVE-2022-30034) · Issue #1217 · mher/flower · GitHub
https://github.com/mher/flower/issues/1217Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| flower | 0.1.0 ... 1.1.0 (29 versions) | 1.2.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 15× in last 7d / 53× 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.
Showing the most recent 100 of 115 total refreshes for this CVE.
- 2026-07-23 14:16 UTCEPSS rescore
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- 2026-07-11 08:25 UTCEPSS rescore
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- 2026-07-09 02:55 UTCNVD updateCVSS v3 → 8.6 · severity → HIGH
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- 2026-07-05 00:28 UTCNVD updateCVSS v3 → 8.6 · severity → HIGH
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Frequently asked(5)
What is CVE-2022-30034?
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Dependency Blast Radius
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