How many CVEs have patched challenge_metadata?

1 published CVEs changed challenge_metadata in ZenHive/mpp, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.

What is the latest CVE that changed challenge_metadata?

CVE-2026-89420 (Session voucher adding no new funds is accepted without a charge in mpp, serving paid resources for free), published 2026-09-22, changed lines 128 to 135 of lib/mpp/telemetry.ex.

How does challenge_metadata compare to the rest of ZenHive/mpp?

ZenHive/mpp has 13 CVEs with a located fix in total; 1 of them changed challenge_metadata.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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ZenHive/mpp

Function

challenge_metadata

Name: challenge_metadata in ZenHive/mpp: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

lib/mpp/telemetry.ex

Last patched September 22, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

6

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

challenge_metadata in ZenHive/mpp was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 6 lines in total.

ZenHive/mpp has 13 CVEs with a located fix in total, so 8% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed challenge_metadata, newest first, with the lines each fix touched.

Session voucher adding no new funds is accepted without a charge in mpp, serving paid resources for free
CVE-2026-89420 · lines 128–135 · +3 −3
High · CVSS 7.1
EPSS 0.4%2026-09-22

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Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in ZenHive/mpp changed by the most CVE fixes.

maybe_validate_fee_payer_economics3 CVEs · lib/mpp/methods/tempo.ex non_neg_integer3 CVEs · lib/mpp/methods/tempo/fee_payer_policy.ex map2 CVEs · lib/mpp/plug.ex verify2 CVEs · lib/mpp/methods/tempo.ex validate_intent2 CVEs · lib/mpp/plug.ex intent_name2 CVEs · lib/mpp/plug.ex

All patched functions in ZenHive/mpp

Frequently asked questions

Common questions about CVE fixes to challenge_metadata.

How many CVEs have patched challenge_metadata?: 1 published CVEs changed challenge_metadata in ZenHive/mpp, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.
What is the latest CVE that changed challenge_metadata?: CVE-2026-89420 (Session voucher adding no new funds is accepted without a charge in mpp, serving paid resources for free), published 2026-09-22, changed lines 128 to 135 of lib/mpp/telemetry.ex.
How does challenge_metadata compare to the rest of ZenHive/mpp?: ZenHive/mpp has 13 CVEs with a located fix in total; 1 of them changed challenge_metadata.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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