Security readout for executives and security teams
This flaw can let a logged-in user make OpenStack Swift proxy workers hang permanently while CPU and memory rise. If enough workers are consumed, object storage using the S3 API can become unavailable. The issue is denial of service, not data theft or code execution. Exposure is most likely in OpenStack Swift deployments running affected 2.36.x or 2.37.x builds with s3api middleware enabled and authenticated users able to send S3 PUT requests. The provided affected-version metadata also lists 2.35.1, but that conflicts with the stated 2.36.0 introduction. Treat as high priority for Swift-backed object storage, especially multi-tenant or externally reachable S3-compatible endpoints. The business risk is storage outage from authenticated abuse. Patch promptly, but do not classify it as confirmed active exploitation based on the provided evidence. Mitigation focus: Upgrade OpenStack Swift to 2.36.2, 2.37.2, or a vendor-supported fixed package.; Review the OpenStack patch references and downstream distribution advisories before rollout.; Prioritize environments exposing Swift s3api to tenants or external authenticated users..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-835: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-49017 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
CNA and ADP enrichment extracted from CVE v5
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SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L——mitreVulnerability scoring details
Base CVSS 4.0 score
7.1HighVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://bugs.launchpad.net/bugs/2152205CVE reference, mitre · issue-tracking
- https://review.opendev.org/c/openstack/swift/+/987957CVE reference, mitre · patch
- https://review.opendev.org/c/openstack/swift/+/988093CVE reference, mitre · technical-description
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Loop with Unreachable Exit Condition ('Infinite Loop')
Loop with Unreachable Exit Condition ('Infinite Loop') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.