CVE-2025-54550

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.1 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 82% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.1Exploit: NoneExposed: 0

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

The example example_xcom that was included in airflow documentation implemented unsafe pattern of reading value from xcom in the way that could be exploited to allow UI user who had access to modify XComs to perform arbitrary execution of code on the worker. Since the UI users are already highly trusted, this is a Low severity vulnerability.

It does not affect Airflow release - example_dags are not supposed to be enabled in production environment, however users following the example could replicate the bad pattern. Documentation of Airflow 3.2.0 contains version of the example with improved resiliance for that case.

Users who followed that pattern are advised to adjust their implementations accordingly.

CVSS v3
8.1
EG Score
8.1(medium)
EPSS
43.7%
KEV
Not listed

Published

April 15, 2026

Last Modified

April 17, 2026

Advisory Details (3)

Auto-updated Jun 3, 2026
Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

oss-security - CVE-2025-54550: Apache Airflow: RCE by race condition in example_xcom dag

http://www.openwall.com/lists/oss-security/2026/04/15/1
generic
https://lists.apache.org/thread/3mf4cfx070ofsnf9qy0s2v5gqb5sc2g1
github_pr

Make example_xcom resistant to escaping issues.

Fix merged in apache/airflow PR #63200 on 2026-03-10 — awaiting tagged release

https://github.com/apache/airflow/pull/63200

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
apache-airflow1.10.0 ... 3.2.0rc2 (281 versions)3.2.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 45× 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 120 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2025-54550?
CVE-2025-54550 is a high vulnerability published on April 15, 2026. The example example_xcom that was included in airflow documentation implemented unsafe pattern of reading value from xcom in the way that could be exploited to allow UI user who had access to modify XComs to perform arbitrary execution of code on the worker. Since the UI users are already highly…
When was CVE-2025-54550 disclosed?
CVE-2025-54550 was first published in the National Vulnerability Database on April 15, 2026, with the most recent update on April 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-54550 actively exploited?
CVE-2025-54550 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-54550?
CVE-2025-54550 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-54550?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-54550, 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.

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