CVE-2026-34514Disclosure(aiohttp / aiohttp)

LOWCVSS 5.3 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch aiohttp aiohttp systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohttp could use this to inject extra headers or similar exploits. This issue has been patched in version 3.13.4.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-113

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • aiohttp

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
aiohttp

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-04-02: 2Patch / Workaround · 2026-04-02: 1Technical Details · 2026-04-02: 104-02
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • CVE@CVEnew
    Patch

    CVE-2026-34514 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohtt… https://www.cve.org/CVERecord?id=CVE-2026-34514

    Post summary

    CVE-2026-34514 affects AIOHTTP before version 3.13.4 and involves control over the content_type parameter; the 3.13.4 release presumably contains a patch.

    00010177
    56.9K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-34514 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Prior to version 3.13.4, an attacker who controls the content_type parameter in aiohtt… https://www.cve.org/CVERecord?id=CVE-2026-34514 ----- Traducción: CVE-2026-34514 AIO… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑34514 affecting AIOHTTP, noting a defect related to the content_type parameter before v3.13.4, but provides no PoC, patch, or exploitation details.

    0000029
    65 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appaiohttpaiohttp---

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