CVE-2026-45739: Strawberry GraphQL is a library for creating GraphQL APIs

Q: How do I fix CVE-2026-45739?

strawberry graphql: upgrade to 0.315.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-45739 being exploited?

CVE-2026-45739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-45739 affect?

CVE-2026-45739 affects strawberry graphql. Severity is low (CVSS 3.1). Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.288.4 through 0.315.3, Strawberry's bundled GraphiQL template wrote values from the GraphiQL headers editor into the browser URL query string. If a user entered a sens

Q: How urgent is CVE-2026-45739?

Priority 14/100. No elevated risk signals yet.

Routine

LOW 3.1UPGRADE

CVE-2026-45739 is a low-severity flaw (CVSS 3.1) affecting strawberry graphql. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.288.4 through 0.315.3, Strawberry's bundled GraphiQL template wrote values from the GraphiQL headers editor into the browser URL query string. If a user entered a sensitive header, such as `Authorization: Bearer <token>`, the value could become visible in browser history, copied links, and server/proxy/CDN access logs after a page reload or shared request. Version 0.315.4 pa

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.1 (Low)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-200, CWE-201
Published	2026-06-04
Last modified	2026-07-22

Publisher (CNA): GitHub, Inc. · Vendor: strawberry

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-04 15:16 UTCPublished CVE record published
2026-07-22 20:10 UTCUpdated Record last modified

strawberry strawberry graphql UPGRADE

Affected: >= 0.288.4 and < 0.315.4

Fixed in: 0.315.4

Safe to downgrade to: a release before 0.288.4

1. Check installed version

pip show strawberry-graphql

2. UPGRADE to 0.315.4

pip install --upgrade "strawberry-graphql>=0.315.4"

3. If no update is available yet, DOWNGRADE to a release before 0.288.4

pip index versions strawberry-graphql pip install "strawberry-graphql<0.288.4"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-45739?

strawberry graphql: upgrade to 0.315.4. Exact commands for each OS are on this page.

Is CVE-2026-45739 being exploited?

CVE-2026-45739 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-45739 affect?

CVE-2026-45739 affects strawberry graphql. Severity is low (CVSS 3.1). Strawberry GraphQL is a library for creating GraphQL APIs. In versions 0.288.4 through 0.315.3, Strawberry's bundled GraphiQL template wrote values from the GraphiQL headers editor into the browser URL query string. If a user entered a sens

How urgent is CVE-2026-45739?

Priority 14/100. No elevated risk signals yet.

Related CVEs

CVE-2026-47707 MEDIUM 5.3 UPGRADE Strawberry GraphQL is a library for creating GraphQL APIs
CVE-2026-47706 MEDIUM 5.3 UPGRADE Strawberry GraphQL is a library for creating GraphQL APIs

References

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