VulnerabilityPublished 13 Aug 2026Updated 31 Oct 2026

CVE-2024-47874: Glances · Starlette Denial of service (DoS) via multipart/form-data

Affects glancesSource GCVE Database

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Not known to be exploited · CVSS 0.0 High : upgrade to 4.5.6 soon.

Data as of 1 Nov 2026, 01:38 UTC

CVSS 3.1 base score

0.0High

How severe the flaw is on the 0–10 CVSS scale.

Patch: Available – fixed in 4.5.6

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: None: There is no loss of integrity within the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 13 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 31 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade glances to 4.5.6.

Affected software

Product	Affected	Fixed in
Homebrewglances`pkg:brew/glances`Other threats	Affected <4.5.6	Fixed in 4.5.6

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AI-suggested

A patch is available in Starlette version 4.5.6. Users and developers of applications built on Starlette or FastAPI should upgrade to version 4.5.6 or later to remediate this vulnerability. No other mitigation is indicated by the vendor advisory.

Description

Starlette, a Python web framework used by applications such as Glances and FastAPI, has a denial of service (DoS) vulnerability (CVE-2024-47874) related to handling multipart/form-data requests. Specifically, parts without a filename are treated as text form fields and buffered without size limits, allowing attackers to upload arbitrarily large form fields. This can cause excessive memory consumption, server slowdowns, and potential process termination due to out-of-memory (OOM) conditions. The vulnerability affects all Starlette-based applications accepting form requests prior to version 4.5.6.

Impact

Exploitation of this vulnerability can cause denial of service by exhausting server memory resources, leading to severe slowdowns or process termination. Multiple parallel requests can amplify the effect, potentially rendering the service unusable even if upstream request size limits are in place. There is no impact on confidentiality or integrity, only availability.

Summary

Starlette improperly handles multipart/form-data parts lacking a filename by buffering them as unlimited-size byte strings. Attackers can exploit this by sending large form fields, causing the server to allocate excessive memory and perform costly copy operations. This results in significant performance degradation and can lead to the server process being terminated by the operating system due to OOM errors. The vulnerability affects all applications built with Starlette or FastAPI that accept form requests and is fixed in Starlette version 4.5.6.

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Affected software

Description

AI analysisMachine-generated, updated 1 Nov 2026, 01:38 UTC

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